Material: 70% coolmax, 28%polyester, 2%elastane – super function yarn of COOLMAX with great wicking moisture No Blisters & Non-Slip: Our ankle socks provide extra comfort and smooth protection for the toe, reducing the friction between toes and shoes to prevent blister. Elastic cuff tab can lock the heel and make sure our sports socks non-slip in order to prevent athletic sock sliding from your daily walking, running, cycling, hiking, tennis. Mesh Breathable: These running socks are made of Coolmax, help quickly absorb moisture and release sweat, Mesh upper for supreme air flew,silver ions in the yarn to keep feet your feet clean, dry, and odor-free. Cushion on the toe and heel can reduces the impact of friction when your move. Anatomical Protective Ankle Fenders: Provide some stability as well as protection from the trail. Snug arch support hugs foot for maximum comfort and virtually zero-slip. The sports socks are in great stretch and recovery. You can wear these athletic socks for a long time not worrying about the easily broken problem. High Performance Socks: The Best for Running, Jogging, Light Hiking, Walking, Cycling, Camping, Trail Running, Marathon, Mountain Biking, Travel, Trekking, Tennis and Other Athletic Workout Activities. Best Customer Service: Order now and find the different on your feet. you will be 100% satisfied with our athletic socks! If you have any problem in size, or if you have any quality problem, please contact us, we will send a replacement to you or we will refund you. We only want to give you the best service!