Fully waterproof socks from Sealskinz100% waterproof, windproof and breathableThree-layer constructionMerino wool lining €“ for moisture control, insulation and comfortZonal elastication €“ adds supportFour-way stretch €“ for added comfort and better fitFlat toe seams €“ prevent rubbing and blistersFootbed padding €“ reduces pressure and increases shock absorptionOuter materials: 62% polycolon / 29% nylon / 9% elastaneInner materials: 36% merino wool / 36% acrylic / 18% polyester / 5% nylon / 5% elastaneRecommended activity €“ trail running