Product available with different options Polypropylen TKN medium trekking socks Lasting TKN-620L CZK220 TKN is a medium thick year-round, trekking sock fitted with a single-layer smooth knit made of ISOLFIL - a polypropylene material which maintains a constant temperature and quickly removes sweat. The shin part, the heel and toe section are fitted with functional protection zones made of double-layer plush. Material: 80% Polycolon - POP, 15% Polyamide,... View