[Compatibility] - NASA Licensed Compatible with Apple Watch Ultra 3 / 2 / 1 Series 10 9 8 7 6 5 SE 4, Sport, Edition & Ultra for 49mm/46mm/45mm/44mm size bands. The wide nylon military grade band design to match your active lifestyle. [Premium material] - Genuine Suede leather combined with breathable nylon backing make the bands comfortable to wear. Special air flow channel was designed at the back for your skin to breathe. [Supreme Adapters] - C.N.C. technology machine cut Anodized Aluminium Adapters. Precise fitment flush with your Apple Watch. Simply slide in and slide out to install the band. [Comfortable Wear] - Designed for wrist size from 18cm to 26cm (7" to 10"). Lightweight, durable, sweatproof, survival, tactical bands, easily dress up or down, perfect for all activities. [Design] - Designed and Engineered in Canada. USPTO Patent pending design.