evo.com | Le Bent Socks > Ankle Band Precision fit for those twists and turns all day long. Elasticated Instep To make its secure and snug, no wrinkles or bunching. 44% Rayon from Bamboo / 19% Merino Wool / 35% Nylon / 2% Elastane Achilles Support Extra comfort in this high friction area, also minimizing heel lift. Definitive Fit System | Le Bent Lucy Ultra Light 3/4 Crew Socks 2021 - Large in Blue | Nylon/Wool/Elastane