The Apple Watch O2 Strap Band is the rugged two-piece version of the ever popular BluShark Straps Original. The double layer of nylon adds extra durability, effectively doubling the strength of the strap, while the sliding second keeper ensures your strap stays tucked in just the way you like it, offering personalized comfort and style.

• 2.4mm thick dual-layer nylon construction cleanly stitched around the perimeter
• Premium stainless steel buckle
  
• Fixed and Sliding stainless steel keepers
• Quick release spring bars

Two Strap Lengths Included! This unique feature allows you to try on both sizes and select the one that perfectly complements your wrist, ensuring an ideal fit every time. With the preinstalled quick-release pins you can easily swap adapters to the size that fits your wrist best! 

Sizing Details:

• Buckle Side: 82mm
• Tail Side: 120mm & 140mm (both lengths included!)
  
  • 120mm: Fits wrists from 6.25" to 8"
  • 140mm: Fits wrists from 7.25" to 8.75"
• Apple Watch Sizing
  • Small Size: Fits Apple Watches: 38mm, 40mm, 41mm, & Series10 42mm. (20mm band width)
  • Large Size:  Fits Apple Watches: 42mm, 44mm, 45mm, ULTRA 1, & ULTRA 2 
    (22mm band width)

Series 10 Note: Apple Watch Series 10 42mm requires size Small. All older 42mm Apple watch series require size Large. 

Fit Details:
The BluShark O2 Strap is a robust, two-piece strap designed with a military-spec aesthetic. While it may feel a bit stiff initially, you'll find that the nylon material quickly adapts to the contours of your wrist, providing a custom, comfortable fit within just a couple of days.

Note: We are in no way affiliated with Apple and/or Apple's products. We are a third-party seller of watch bands that are compatible with the Apple Watch.