Durable zinc alloy buckle for secure and strong hold Sleek and timeless rugged design via wider watch band and orange stitching Lightweight and breathable for total comfort that’s perfect for everyday wear or rigorous activities Easily adjustable with zinc alloy buckle and hook and loop fastener to fit wrists from 6.3 inches to 8.3 inches (160 mm to 210 mm) Specifically engineered to fit Apple Watch Ultra 2/1 49mm, Series Series 10 46mm, 9/8/7 45mm, Series SE2/6/SE/5/4 44mm e Series 3/2/1 42mm