For maximum protection and comfort with every step, Biotrek Heavy Duty combines merino wool and kapok fiber for exceptional heat regulation, while Natex fiber, derived from castor seeds, keeps feet cool and dry during high-altitude adventures.
Maximum protection and comfort in every sock
High performance thanks to innovative biomaterials
Fine merino wool for warmth and breathability
Kapok plant fiber, the lightest in nature
Excellent thermoregulation even on cold days
Natex fiber from castor beans to neutralize odors
Keeps feet dry during long hikes of length at high altitudes
Material
33% wool, 24% polyamide, 21% modal, 16% polyester, 3% kapok, 3% elastane
| Product Name: | UYN Biotrek Heavy Duty Trekking Socks Men - Black/Multicolor |
| Manufacturer: | UYN |
| Item Code: | UYN760084 |
| Material: | 33% wool, 24% polyamide, 21% modal, 16% polyester, 3% kapok, 3% elastane |
| compression: | yes |
| activity: | Hiking, Trekking |
| gender: | men |
| textile fabric: | Merino |
| washability: | 30°C, do not iron, no dryer, do not bleach |
| Season: | All Season |
| socks length: | medium |
| socks version: | padded |
| Model year: | 2026 |
| Collection: | Spring/Summer |
| Color: | Black |
| weight: | 67g |
| GTINs: | 8054216867713, 8054216867720 |
| Manufacturer page: | http://www.uynsports.com |
In the following tables you will find information on the dress sizes of the manufacturer UYN.
| EU | 35 - 38 | 39 - 41 | 42 - 44 | 45 - 47 |
| UK | 3 - 5 | 6 - 7.5 | 8 - 9.5 | 10.5 - 12 |
| US | 4 - 5.5 | 6.5 - 8 | 8.5 - 10 | 11 - 12.5 |
EU 35 - 38
EU 39 - 41
EU 42 - 44
EU 45 - 47
| EU | 35 - 36 | 37 - 38 | 39 - 40 | 41 - 42 |
| UK | 3 - 3.5 | 4.5 - 5.5 | 6 - 6.5 | 7.5 - 8 |
| US | 4.5 - 5.5 | 6 - 7 | 7.5 - 8 | 9 - 10 |
EU 35 - 36
EU 37 - 38
EU 39 - 40
EU 41 - 42