A performance, thin weight knee length waterproof sock perfect for a multitude of activities and conditions where additional coverage, minimal insulation & maximum breathability are required. 100% waterproof, windproof & breathable – Constructed with our patented Stretchdry technology Added coverage – Knee length sock offers protection higher up the leg Moisture control & comfort – Merino Wool lining Added insulation & versatility – Nylon/ Acrylic blended roll over top cuff Added support & comfortable fit – Elasticated ankle & instep Secure comfortable fit – Y-gore heel construction Prevent rubbing – Hand linked toe closure created flat seam 40d-tumble