Crafted from a lightweight elasticated nylon, this Apple watch band braided is incredibly comfortable to wear The stainless steel buckle is fully adjustable for the perfect fit It's ideal for workouts, physical activities and day to day wear Compatible with all series of Apple Watch Material: Elasticated Nylon & Stainless Steel Size: Fits 140mm - 210mm wrists (5.5" - 8.3") What Size Do I Need? If you look at the back of your watch, you'll see what series and size you have. Then, simply select the correct option from the dropdown