Merino Wool Longsleeve – Black
The Merino Wool Longsleeve Essential. Refined. Your everyday armor.
Crafted from 98% merino wool and 2% elastane (240g jersey), this fitted longsleeve is the foundation of a clean wardrobe — toxin-free, thermoregulating, and sculpted to move with your body from morning to night.
This is the layer you’ll reach for every single day.
No synthetics. No endocrine disruptors. Just performance basics that protect what matters most.
Slim fit | Crew neck | Second-skin fit
Why You’ll Love It
- Buttery-soft and breathable — natural temperature regulation
- OEKO-TEX® 100 certified — safe, chemical-free comfort
- Slim Fit, Crew Neck – Clean silhouette that layers effortlessly or stands on its own
- Thermoregulating – Keeps you cool when it’s hot, and warm when it’s not
- Naturally Antibacterial – Odor-resistant and skin-safe, with no synthetic coatings
- Plastic-Free Construction – No polyester, no nylon, no microplastic shedding
- Built to Match – Pairs perfectly with our Merino Leggings or Flared Pants for a complete set
Perfect For
Yoga and Pilates | Running and HIIT | Everyday movement | Base layer for cold weather
Composition
Main: 98% Merino Wool, 2% Elastane (240g jersey)
Thread: 100% cotton
Labels: Organic cotton
Fit Note
True to size. Designed for a second-skin fit that moves with you.
| Size | EUR | UK | Bust | Waist | Hips – low rise | Hips – widest (Curvy Fit) |
|---|---|---|---|---|---|---|
| XXS | 32 | 4 | 75–78 | 62–64 | 82–86 | 90–94 |
| XS | 34 | 6 | 78–82 | 64–66 | 86–90 | 94–98 |
| S | 36–38 | 8–10 | 82–90 | 66–74 | 90–97.5 | 98–105.5 |
| M | 40–42 | 12–14 | 90–98 | 74–82.5 | 97.5–103.5 | 105.5–111.5 |
| L | 44–46 | 16–18 | 98–107 | 82.5–93 | 103.5–110.5 | 111.5–117.5 |
| XL | 48–50 | 20–22 | 107–119 | 93–105 | 110.5–120.5 | 117.5–128.5 |
| XXL | 52–54 | 24–26 | 119–131 | 105–117.5 | 120.5–131 | 128.5–139 |
(in cm).
Care
Machine wash cold 30°C. No fabric softener. Lay flat to dry.
Made in Poland
Ethically crafted with care
Shipping Policy
Orders are processed and shipped within 5-7 business days from our facility in Poland. You'll receive a shipping confirmation email with tracking information once your order has shipped.
Switzerland courier delivery - CHF 100; free above orders of CHF 200
EU countries courier delivery - CHF 10
UK courier delivery - CHF 10; free above orders of CHF 200
US courier delivery - CHF 20; free above orders of CHF 200
Customs & Import Duties
For orders shipped outside the European Union, the recipient is responsible for any customs duties, import taxes, or brokerage fees that may apply. These charges vary by country and are determined by your local customs authority.
(soon, orders to Switzerland will be customs free. At the moment, you can benefit from a store credit equal to the customs you pay, to use on future orders at Swiss Impact Store.)
Refund Policy
Once we receive your return, we'll inspect the items and process your refund within 5-7 business days. Refunds are issued to your original payment method.
Non-Returnable Items
For hygiene reasons, underwear and swimwear with the hygiene seal removed cannot be returned. Sale items marked as "Final Sale" are also non-returnable.
Cancellation / Return / Exchange Policy
We offer returns within 30 days of delivery. Items must be unworn, unwashed, and in their original condition with all tags attached.
How to Return
- Email us at [email protected] with your order number and reason for return or
- The brand will confirm your return and provide the return address
- Pack your items securely in the original packaging if possible
- Ship your return using your preferred carrier (return shipping costs are covered by the customer)
Exchanges
For exchanges (different size or color), please return your original order and place a new order for the desired item. This ensures the fastest processing time.
