About This Preferred Oeko-Tex Standard 100 skin-friendly material; Sole made of combed cotton and tech-dry yarns for moisture wicking, non-slip, anti-odor and durable Lycra spandex provides gentle and long-lasting compression, improves blood flow and helps prevent cramping, fatigue and swelling Targeted cushioning and compression, shock absorption, anti blister, arch support, ankle and achilles tendon protection Ergonomic left and right foot design for a better fit; reinforced smooth toe seam structure to avoid hurting skin; breathable mesh to keep dry all day Suitable for any sports with sneakers, running, basketball, gym, cycling, golf, walking, tennis or with boots for hiking, work, office, and nurses, teachers who need to stand for a long time Overview Fabric type : 59% Nylon, 16% Elastane, 13% Combed Cotton, 12% Polyester Care instructions : Machine Wash Origin : Imported Weave type : Knit