Thin weight ankle sock for a multitude of activities, where minimal insulation and maximum breathability are required. 100% waterproof, windproof and breathable - Constructed with our patented Stretchdry technology Our lightest waterproof sock, ideal for warm wet days Extra soft outer whilst maintaining durability through polypropylene fabric Moisture control and comfort - Merino Wool lining Added support and comfortable fit - Elasticated ankle and instep Secure comfortable fit - Y-gore heel construction Prevent rubbing - Hand linked toe closure created flat seam