Mons Royale Unisex Tech Bike Sock 2.0 - Merino Wool It's the little things that make a difference. Engineered for high performance and comfort these ultra slim socks are made left and right specific to fit precisely. Features: Blended merino yarn is light, durable and temperature regulating 6” Crew Sock Lightly cushioned foot bed Arch support Breathable mesh panels Non slip folded rib band Seamless toe box prevents blisters. Material:  Fabric:  6 Inch Crew Weight:  200 Blend:  64% Merino Wool 34% Nylon 2% Elastane What's sustainable? ZQ Certificate Non-mulesing Merino wool ZQ is a hallmark that certifies a farmer is meeting the highest standards in the areas of animal welfare, environmental care, and social sustainability - e.g. traceable, No mulesing, Hand-selected Environmentally friendly dyes and water processing fair manufacturing process - read more. These ultra slim socks are made left and right specific to fit precisely Blended merino yarn is light, durable and temperature regulating