Warm winter sock designed for cold environmentsWarm and cushioned heavyweight sockMerino Fusion combines Merino Wool with CoolmaxExcellent thermal and moisture controlHigh wicking performanceSoft slack-knit cuffDouble density pads underfootWarm full terry leg The Bridgedale Explorer Heavyweight Comfort Sock is a warm and highly cushioned heavyweight sock designed for use on winter expeditions trekking mountain climbs and trail walksDesigned for cold environments the Summit sock provides thermal and moisture control thanks to the use of Merino Wool Merino Wool provides excellent insulation and next to skin comfortMerino Fusion socks bring together the insulating and comfort providing properties of Merino with technical fibres that provide wicking performance Coolmax fibres wrap around the Merino Wool yarn that transport moisture away from the skin ensuring your feet feel dry and comfortableFeatures of the Bridgedale Summit sock include a soft slack-knit cuff a warm full terry leg and double density pads underfoot for cushioningMerino Fusion Bridgedale socks come with a 3 year guarantee 30 Merino Wool 48 Coolmax polyester 21 nylon 1 Lycra