Design: K-BETTER upper material, made with recycled content to reduce environmental impact while improving the signature touch, comfort, and stretch resistance Knitted low-cut slip-on construction ensures a comfortable fit Lightweight removable sockliner with NanoGrip technology keeps the foot from slipping inside the boot Recycled Content (Upper 30%) Durability & Traction: Lightweight outsole features an external heel counter, integrated stability spine, and conical studs, so you have as much control over your movement as you do over the ball