Warmer, drier and softer, the Explorer Primaloft sock is our most versatile sock to datePrimaloft yarn functions in a huge temperature range, meaning it makes a great year round sock,With the fine fibres of the Primaloft yarn, these socks are low bulk but perform better than much heavier socks in cold temperatures,It both wicks and dries quicker than merino wool, resulting in a drier and more comfortable feet,Blended with polypropylene through the footbed to add comfort,Metatarsal pad gives additional cushioning, a welcome comfort on longer rides,Flat toe seam prevents any discomfort,Ribbed cuff and arch support gives a great fit and foot stability,Works great for all cycle disciplines and doubles up as a dream sock for everyday wear,Extra high 19cm cuff length,Made in Italy,Limited lifetime warranty.