The Aquasealzmembrane releases internal moisture, while denying the entry of water. Premium merino wool interior is soft and insulative, with natural odour-resistance. Built for cold, high-altitude pursuits.TechnologyOuterExtra-durable nylon exterior, with 4-way stretch for an optimal fit.Mid-SectionAquasealzwaterproof membrane releases moisture vapour from inside the sock.InteriorPremium merino wool, with terry-loop knitting for extra comfort and sweat-wicking. Natural antimicrobial properties, stopping growth of odour-causing bacteria.A seamless construction, with elastic support on the ankle, providing a close fit.Designed for the cold, the Starston is insulative, moisture-wicking and waterproof. A merino wool interior, with terry-loop knitting, has strong thermal properties. Merino wool absorbs moisture away from the body, improving breathability. An engineered nylon blend exterior has similar moisture wicking properties, highlighting the cohesive functionality of the