Suitable for trekking, hiking and activities in arduous wet environments, 98% polyamide, 2% elastane DexShell Thermlite Socks | Absolute-Snow Cold Weather Trekking Socks Dexshell Dexshell Trekking Waterproof Sock Sealskinz Waterproof Socks These merino wool socks are ideal for trekking, hiking and other activities in difficult wet environments. Transform your experience in wet weather with dry comfort The material composition of inner sock: is 40% merino wool, 40% anti-pilling acrylic, 20% nylon., Mid-calf length Dexshell Waterproof Trekking Socks Merino Wool | Outdoor escape Midweight merino wool inner with terry loop pad from toe to heel, keeps warm in outdoor activities in cold rain or snow.