Compression and muscle recovery. Designed to improve blood flow, which in turn helps to flush lactic acid during, and post, training and racing. Provides circulation improvement and an improved recovery rate. This compression sock also reduces calf muscle oscillation. Made from Tencel® for a super soft hand feel and from LYCRA® SPORT to ensure a close, comfortable fit.Zero Cushioning:- For runners that like the natural feel of their foot in contact with the ground. Zero is the base level in the cushioning system from HILLY, with no cushioning added to the sock style to keep them feeling fast and light.Features:- Reduced calf muscle oscillation- Increased blood-flow helps clear lactate- Proven circulation improvement- Improved recovery rate- Tactel® super soft hand feel- Best calf fit- Available in various calf widths- Wear with your favourite HILLY sockSpecifications:- Composition: 50% Polyamide, 43% Polyamide (Tactel®), 7% Elastane (LYCRA® SPORT)Care:- Wash at 30 degrees- Do not bleach- Do not tumble dry- Do not iron- Do not dry clean- Do not iron print- Do not use biological detergents- Do not use fabric softener- Dry away from heat- Wash with like colours