The Aksium features a 21cm high upper, that is lightweight and breathable. They also boast a high level of technology thanks to the recycled Newlife fabric. As reliable and durable as virgin yarn, Newlife helps reduce CO2 emissions by 32%, while saving 94% and 64% on water and energy, respectively. Using body mapped reinforcement, these socks provide extra support and durability where you need it most, for a long time to come. Performant and durable fabric NEWLIFE fabric is made out of recycled materials and guarantees the same level of performance and quality as a virgin yarn Lightweight and fast-drying fibre composition All day riding comfort Zoned reinforcement for comfort and durabilty Elastane cuff holds the sock in place Specifications Main materials: 64% Polyamide, 6% Elastan, 30% Polyester Length: 21cm Open structure for increased breathability Zoned reinforcement and cushioning