With the Apple Watch 44mm Nylon Sport Loop Watch Strap Nike Deep Gray XL, you can go on an evening run safely. The strap is made of woven nylon threads that reflect light. The nylon strap is light, soft, and breathable, so it's suitable for workouts. The closure of the strap is easy to adjust, thanks to the velcro strap. On the inside of the strap, you can find many small loops that provide a soft layer and provide extra ventilation. This strap fits on Apple Watch 44mm, and is suitable for a wrist of 170 to 245mm. This is an original Apple accessory.