Nylon Apple Watch straps come in many different colors. Nylon straps are light and breathable. They're also comfortable in the middle of summer and you feel like you're melting. These nylon straps are specially made for the Apple Watch and fit well with the watch case. When choosing a nylon Apple Watch strap, make sure you choose the right size for your Apple Watch. The Apple Watch 38mm also fits straps for the Apple Watch 40mm and vice versa. On the Apple Watch 42mm, you can also wear straps that fit on the Apple Watch 44mm and vice versa.