The Merino Performance blend provides warmth in winter and breathability in summer. And because the socks are part synthetic, they'll dry quickly too - ready to wear on day two of your trek. A worthwhile investment for everyday outdoor wear, an essential for year-round hiking.FeaturesComfortable socks and durable Zonal Padding for added comfort of areas of high-stress areasMoisture-wicking - Moving moisture away from the skin keeping your feet cool and drySupportive fit gives a close fit that won't bunch up and cause irritation Flat-toe seams minimise bulk and avoid chaffing and irritation in the toe box 3D-shaped heel cup giving you the perfect fit Thermo-fit - Will return to its original shape wash after washSuitable for year-round useFabric - 26% New Wool / 18% Merino Wool / 38% Nylon / 17% Endurofil / 1% LycraWeight approx. 76g