With this innovative new sock, you'll enjoy all the natural advantages of bamboo-which breathes easily, wicks away moisture and naturally eliminates odor-causing bacteria. What's more, bamboo is 100% biodegradable and renewable. So discover how comfortable eco-friendly bamboo can be! • In an effort to neutralize our "carbon footprint," Feetures! has become a Friend of the Forest. A portion of the sales of these socks will be donated to the National Forest Foundation to replant trees. • Unique Power Bands of Lycra® hug your entire foot for maximum support. • The PerfectToe™ (No irritating toe seam.) • Famous Fit & Feel™—Snug, supportive fit eliminates movement to prevent blisters. • Protects without the bulk. • Size indicated on each sock for easier identification/matching.