Infinity Kickstart knee highs offer medium 15-20 mmHg compression and natural fibers that help keep feet dry, comfortable, and odor-free for longer. Knee high 1 pair pack / OS. 15-20 mmHg compression. 40% bamboo / 35% wool / 25% polyester. Features: Reduces fatigue and swelling while promoting healthy circulation. Wool and bamboo fiber naturally resist odor and moisture build-up. Medium support to help keep legs healthy and energized.