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Main page » Men » Functional underwear » Long sleeve tops » UYN Man Evolutyon Biotech Uw Shirt Long_Sl - blue poseidon
UYN Man Evolutyon Biotech Uw Shirt Long_Sl - blue poseidon
(Product No.: UY-U100414-K662)
EVOLUTYON BIOTECH is the underwear shirt that heralds a new era in functional clothing. Made from innovative biomaterials, without synthetic fabrics based on fossil fuels, enhanced by UYN's patented technologies, this shirt offers an exceptionally natural feel against the skin and the ideal support for your activities in medium to low temperatures. Thanks to the hollow structure of kapok fiber, the lightest natural fiber in the world, EVOLUTYON BIOTECH effectively insulates the body and ensures an ideal microclimate. The elastic FLEXICORN fiber made from corn seeds ensures a perfect fit and unrestricted freedom of movement.
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UYN Size Chart
Fit-und-Warm carries UYN for Casual, MTB, Road Cycling, Running, Trekking and Winter Sports for women, men and children. Relevant products include base layers, T-shirts, jackets and socks. UYN uses strongly product- and activity-specific apparel fits.
Unisex / Men's Socks
| EU | Foot length (cm) | US Men | UK |
|---|---|---|---|
| 35–38 | 23–24 | 4–5.5 | 3–5 |
| 39–41 | 24.5–25.5 | 6.5–8 | 6–7.5 |
| 42–44 | 26–27 | 8.5–10 | 8–9.5 |
| 45–47 | 27.5–28.5 | 11–12.5 | 10.5–12 |
Women's Socks – On Models Labelled Accordingly
| EU | Foot length (cm) | US Women | UK |
|---|---|---|---|
| 35–36 | 22.5–23 | 4.5–5.5 | 3–3.5 |
| 37–38 | 23.5–24 | 6–7 | 4.5–5.5 |
| 39–40 | 24.5–25 | 7.5–8 | 6–6.5 |
| 41–42 | 25.5–26 | 9–10 | 7.5–8 |
Apparel
| Area | Current official size selection |
|---|---|
| Men's technical apparel | XS to XXL; some products use combined sizes |
| Women's technical apparel | 2XS to XXL; some products use XS/S, S/M, M/L, L/XL |
| Fits | Aerodynamic / Slim / Regular / Comfort |
UYN provides the concrete size chart directly with each product. Because base layer, cycling, running, trekking and winter products use different constructions and fits, no third-party universal body chart is added.
Assortment check: Fit-und-Warm UYN brand page. Manufacturer sources: official UYN apparel categories/fit information and product-specific UYN sock size charts. Research checked on 20 August 2026.