These women\'s impulse running knee high socks by the brand Falke are made from 90% polyamide and 10% elastane and are showcased in black. Also the black socks are designed in a plain pattern, It is recommended to wash at 40 degrees and do not tumble dry to keep these socks in good condition. All the socks come complete with falke tags. The Falke Impulse Running Knee High Socks - Black are the ideal pair of socks with them giving you gradual compression for improved blood circulation and faster recovery. Being a must have for every keen runner, these have target sensors on the sole to influence your overall posture and have target sensors on the outer calf to protect against any supination and pronation. Having so many features, they will be guaranteed not to disappoint. KEY FEATURES Anatomical Fit Knee High Ribbed Medium 90% Polyamide and 10% Elastane Wash at 40 degrees and do not tumble dry Complete with Falke tags.