Product available with different options Polypropylen TKS 834 trekking socks Z-TKS-834L CZK0 TKS is a thick trekking sock fitted with a double-layer plush knit made of ISOLFIL - a polypropylene material which maintains constant temperature and quickly removes sweat, thus preventing discomfort during physical activities or bad weather. Material: 50% ISOLFIL - polypropylene, 35% SILTEX, 10%NYLON, 5% ELASTANE View