Compatible with Apple watch Designed for small to medium wrists measuring 130mm to 180mm Custom high-performance fluoroelastomer provides exceptional durability and strength while delivering a soft feel for all-day wear Smooth, dense material gently wraps your wrist, offering a comfortable feel against your skin Water resistant, so it is ready for all your adventure Innovative pin-and-tuck closure delivers a secure and clean fit Easily adjustable and removable for personalized comfort and convenience