SLS3 FXC Graduated Compression Socks Wash cold, No Bleach, Line Dry 20-30 mmHG of true graduated compression for increased blood circulation, muscle oxygenation and stability Maximal removal of metabolic waste products ensure faster recovery and less post exercise muscle soreness Decreased muscle vibration increases endurance, strength and power Padding in pressure areas: Ball, heel, achilles, top of arch for shock absorption and protection