Size, fit & product selection
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On each product page, you'll find a size chart to help you determine the right size. The chart shows which body measurements correspond to which size. If you're unsure or between sizes, please feel free to contact us – we're happy to advise you personally.
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Yes, on every product page you will find a size chart directly above the size selection with measurements for chest, waist, hips and inseam.
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Our underwear is available in four different thicknesses, suitable depending on the temperature and activity level:
- Light: Ideal for intense exercise and warm conditions.
- Medium Light: Perfect wearing comfort in all weather conditions and a reliable companion all year round.
- Warm: Offers high heat output, ideal for cold winter days.
- Extra Warm: Our warmest line, made from high-quality merino wool for maximum insulation. Perfect for freezing temperatures or when you're spending extended periods outdoors.
You can find more details on our landing page: https://belowzerowear.com/pages/4-linien
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Our products are a regular fit. If an item runs particularly large or small, we will indicate this in the product description. If you are between sizes, we recommend choosing the larger one. If you are unsure, please feel free to contact us via live chat – we will help you find the right size.
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For very cold days, we recommend our models with Sorona® Aura lining. This special, partially natural fiber retains body heat exceptionally well without making the clothing feel bulky or heavy. This keeps you comfortably warm without restricting your freedom of movement. The lining provides a light, flexible feel that proves its worth even during extended periods in the cold.
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Mid-layers are warming intermediate layers worn between your ski underwear and jacket. They insulate without trapping moisture. Ideal for very cold conditions, layering, or for extra warmth when you're not constantly moving.
Materials & Technology
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You can find detailed information about the materials and composition of each of our products on the respective product page. Simply scroll down to the "Material & Care" section. All relevant details are listed there.
Additionally, you can also click on the "Sustainability" section to learn more about the product's ecological footprint.
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Our jackets offer reliable protection against moisture with a 20,000 mm water column rating. Thanks to a breathability of 20,000 g/m²/24h, moisture is quickly wicked away from the body – ideal for active pursuits.
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The water column rating describes the pressure the material can withstand without letting water through. 20,000 mm means you'll stay dry even in heavy snow or rain. Breathability indicates how much water vapor (sweat) the material can release in 24 hours – at 20,000 g/m²/24h, this is very high.
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Sorona® Aura is a plant-based fiber that we use for insulation in many of our jackets and pants. It efficiently retains body heat, is very lightweight, and maintains its loft for years – even after multiple washes. Compared to conventional polyester, Sorona® requires significantly less energy to produce and generates fewer CO₂ emissions.
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Polypropylene is a lightweight, synthetic fiber with excellent moisture-wicking properties. It quickly transports sweat away from the skin to the fabric surface, where it evaporates rapidly. This keeps your skin dry, reduces the feeling of cold, and prevents skin irritation. Polypropylene dries significantly faster than natural fibers, is durable, retains its shape, and is resistant to mold. Another important advantage: Polypropylene does not absorb unpleasant odors, so you can wear the underwear for several days without it smelling. This makes it particularly suitable for active people who are frequently on the go and rely on functional, dependable underwear.
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Merino wool is excellent at regulating body temperature – it keeps you warm when it's cold and cool when it's warm. The fibers are fine and soft, making the garments comfortable against the skin and preventing itching. Merino wool absorbs moisture without feeling wet and remains breathable. It is also odor-neutralizing, which is especially beneficial during extended activities. This makes merino the ideal natural fiber for functional, comfortable underwear.
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PFCs are environmentally harmful chemicals used in many water-repellent finishes. We completely avoid them and rely on environmentally friendly alternatives – without compromising on water resistance.
Care & Storage
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Skiwear should be washed regularly, but not too often, to maintain its functionality. Washing it too infrequently can clog pores and impair breathability. Therefore, we recommend a thorough wash at the end of the season or when heavily soiled.
Wash the garment at 30°C on a gentle cycle using a special detergent for technical fabrics. Do not use fabric softener and turn the garment inside out.
You should waterproof your clothes after washing or during the wash cycle to maintain their water-repellent properties. The waterproofing is best activated by tumble drying. Turn the garment inside out before drying. Start the dryer on a gentle cycle, optionally adding tennis balls, for about 20 minutes.
After using the dryer, you can let the products air dry completely. Avoid direct sunlight or radiators to prevent material damage.
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Jackets and trousers from Belowzero can generally be tumble dried briefly – but only at a low temperature and if the care label permits it. Especially after waterproofing, the heat helps to reactivate the water-repellent function.
Mid-layers such as fleece products or base layers are sometimes also suitable for tumble drying – but here too, it is important to pay close attention to the care instructions.
You can find more information about proper care in our blog post on care and storage .
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Wash or air out clothes before storing them and make sure they are completely dry. Hang jackets and trousers loosely on hangers, ideally in a dry, dark wardrobe. Avoid airtight storage – the materials need air circulation to maintain their properties.
Detailed care and storage tips can be found in the blog post on care and storage .
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Wash merino wool garments on the wool cycle at 30°C using a special wool detergent. Avoid spinning to prevent damage to the fibers. Lay flat on a towel to dry – do not hang or tumble dry.
Merino wool doesn't need to be washed after every wear. Thorough airing is usually sufficient, as it remains odor-neutral and is self-cleaning.
Sustainability & Production
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We use recycled polyester, certified merino wool, and Sorona® Aura – a plant-based fiber for insulation. We select all materials with durability, functionality, and environmental friendliness in mind.
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Our clothing is manufactured in selected, specialized partner factories in Europe and China. It is important to us that these factories adhere to fair working conditions, act in a socially responsible manner, and operate according to international standards.
We only work with partners who have many years of experience in manufacturing high-quality functional clothing and who meet our quality and sustainability standards. A large portion of our products are manufactured in Europe, while individual technical components – such as fabrics or linings – come from Asia if better quality or availability is guaranteed there.
Transparency, durability and responsible business practices are our top priorities when selecting our production partners.
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Our products are designed to last for many years. They are made from durable materials, boast high-quality workmanship, and feature a timeless design that never goes out of style. Furthermore, they can be repaired if needed, extending their lifespan even further.
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For us, sustainability means: less, but better. We want you to only need one product that you can use in many different ways. We produce responsibly, rely on durable materials and fair conditions – for clothing you can wear with a clear conscience.
Usage & suitability for everyday use
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Yes. Our skiwear is designed so that you can easily wear it in everyday life – for example, on your way to work, during a winter walk, or in the city.
The cut and colors are understated so that the jackets and pants don't look like typical skiwear. Functional details like snow gaiters, ventilation zones, and ski pass pockets are integrated so seamlessly that they're unnoticeable in everyday life. You benefit from comfort and weather protection without sacrificing practicality.
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Yes – our clothing is deliberately designed to function in everyday life. The cuts are simple, the colors understated, and technical details such as snow gaiters, ski pass pockets, or ventilation zones are discreetly integrated.
You get full functionality – without the typical “ski jacket look”. Ideal for commuting to work, walks, or strolling around town on cold days.
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Yes – our children's products ( Arosa , Airolo ) are made from the same high-quality materials as our adult models. They are comfortable, functional, and durable.
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Merino wool is naturally odor-neutralizing. Even after prolonged wear, hardly any odor develops – ideal if you're traveling for several days or want to minimize washing.
Availability & Offline Purchase
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Our collection is available at selected sporting goods retailers in Switzerland. You can find the products to try on in Lenzburg, Zweisimmen, Fliss & Pilsen, Saas-Fee, Küblis, and other locations. A list can be found here: Store Locator
Tip: It's best to call the store beforehand and ask about the desired model or size. -
Yes. All stores that carry Belowzero are listed on our website. You can find them on this page: Store Finder
There you can also see whether it is a sports shop with Belowzero skiwear or basic items.
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We deliberately produce in smaller quantities to avoid overproduction. This means that popular sizes or colors may sell out quickly.
If your size is currently unavailable, we recommend two things:- Check with retailers in your area – they may still have some stock left.
- Subscribe to the product page (activate notifications) so you receive an email when your size is back in stock.
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For sizes that are sold out, we continuously monitor demand. If there is sufficient interest, we will include the model again in the next production run.
A specific restock is not currently planned for all items. Please add yourself to the waiting list on the respective product page – this helps us with planning and you will be notified if your size becomes available again.
Orders & Payments
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The following payment methods are accepted:
• Credit card payments: Visa, Mastercard.
• Apple Pay
• Google Pay
• TWINT
• PayPal
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If payment by credit card is not possible, there may be various reasons for this. For example, general technical problems, input errors, card validity, etc.
Alternatively, we offer you the following payment methods: TWINT -
All prices include VAT.
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A discount code cannot be used for orders that have already been placed and cannot be combined with other promotional vouchers.
Discount codes for newsletter registration can only be redeemed once per person and order. -
If you don't want to miss any of our current promotions, you can sign up for our free newsletter. Simply enter your email address in the "Newsletter" section at the bottom of the page. You will then receive an email immediately in which you only need to confirm your newsletter subscription.
If you do not receive a confirmation email, it may be because it ended up in your spam folder. In this case, please add news@belowzerowear.com to your address book.
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With the shipping confirmation of your order you will also receive a copy of your invoice by email.
If you have not received this invoice or require an older invoice, please contact our customer service team with your order number and we can email you a copy.
Please note that we cannot process invoices ourselves. However, our customer service team will be happy to help you with any questions or concerns regarding your invoice.
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In our online shop you can order either as a registered customer or as a guest. With a customer login you save a lot of time because your data is automatically stored for the ordering process.
Please note that we cannot process invoices ourselves. However, our customer service team will be happy to help you with any questions or concerns regarding your invoice.
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You can see whether an item is available directly in our online shop. When you choose the color and size, we will show you directly which version of the item is still in stock. Simply select the version you want.
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If you have any general questions about the ordering process, our customer service will be happy to help you.
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We do not offer tax-free orders.
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If you have forgotten the password for your customer account, click the "Forgot password" button on the login page.
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Unfortunately, we do not offer the installment payment option at the moment.
Shipping & Delivery
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Shipping costs Switzerland and Liechtenstein CHF 6.00.
Free shipping for orders over CHF 100.00.
Here are the full details of our shipping policy. -
We usually deliver within 1 to 2 working days. Orders placed before 12pm will be delivered the next working day.
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Our packages are sent with DHL.
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We do not currently offer Click + Collect. It is planned for the end of 2026.
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It is important to us to ensure that the items you order reach you as quickly as possible. If, in exceptional cases, an item cannot be delivered within two days, we may split your order into several partial deliveries. This way we can ensure that you receive the items you ordered as quickly as possible.
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We currently only deliver to Switzerland and Liechtenstein. We are working on delivering to the entire DACH region from the end of 2025.
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That's no problem: you have the option of specifying a delivery address that differs from the billing address during the ordering process.
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We process every order as quickly as possible. Unfortunately, it is not possible to combine them afterwards.
Warranty & Repair
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Please check your shipment immediately upon receipt for completeness and integrity and refuse acceptance if there is visible damage.
Return and refund
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The goods can be returned within 14 days without giving a reason.
You can now easily register your return directly in your customer account – quick and easy! This speeds up the return process and simplifies processing.
Alternatively, the return form can still be requested at info@sportsoption.ch . Please ensure that the form is completely filled out and returned by mail to the specified address along with the goods and the delivery note. Incomplete information may cause delays.
The buyer is responsible for return shipping costs. Returns not due to warranty claims will only be accepted if the items are unworn and returned in their undamaged original packaging. Further information can be found in the return form.
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The costs for returns are borne by the buyer.
If the items are not returned for warranty reasons, they can only be returned unworn and in the original, undamaged packaging. Please note the instructions on the returns form.
You can send your return shipment to any Swiss Post office for a fee.
Our return address is:
acin AG
Ramp 41 / Sport Options AG
New Industrial Street 1
4852 Rothrist -
You have ordered an item, but the size is wrong or you don't like the color? Then it's best to order the new item you want straight away in the online shop. That way you can see the availability straight away and complete the order.
Send the item you have already ordered and do not want to keep back to us as a return. Please do not include your request for a new order in the return, as the item may already be sold out by the time your package arrives with us.
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If you do not like the goods you ordered, you can cancel them within the deadline, i.e. from receipt of the goods, by making a clear declaration. The cancellation does not require any justification or binding form and can be made verbally, in writing (e.g. by email) or you can return the goods in the shop or send them back.
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In the event of a justified warranty claim, you are entitled to the statutory right to subsequent performance. If this cannot be fulfilled, you will receive a refund from us.
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A refund request can be made within 14 days of purchase.
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Schöni Fulfillment AG
Ramp 41 / Sport Options AG
New Industrial Street 1
4852 Rothrist
