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Apple Watch straps are available in a variety of styles and sizes.
First, you’ll need to choose a case size and strap style to see which strap sizes are available with that combination. The strap you choose will specify the maximum and minimum wrist size. To get the correct strap size, we recommend that you precisely measure around your wrist.
If you choose a Solo Loop strap, you will need to use the sizing guide to find your exact size. When you shop for Solo Loop straps, there are step-by-step instructions to help you measure your wrist using a printable tool or household objects so that you can find the correct size.