【Premium Material】: Nylon band for whoop bands is made of high-performance breathable Nylon material.for whoop 4.0 bands for men is designed to be washable,durable,dirtproof,comfy to wear, skin-friendly and lightweight,ensuring maximum comfort during extended wear and maintaining freshness throughout your active lifestyle. （NOTE: the metal U shaped bracket isn't included.）

Third-Party Dual-Device Replacement Band: An independent, third-party combo strap designed for wearing a WHOOP 5.0 device and an Apple Watch on the same wrist. Not affiliated with, approved by, or endorsed by WHOOP. Not intended for use with WHOOP 4.0 or earlier models.

✅【Perfect Fit for WHOOP 5.0/MG Models】Our Nylon Sport band is exclusively designed for WHOOP 5.0/MG/One/Peak/Life/MG. (NOTE: Not compatible with Whoop 4.0; Bands only, NO tracker included.)

【Premium Material】Rugged nylon band for apple watch trail loop band made of high-performance nylon material.Trail loop for apple watch bands 49mm 46mm 45mm 44mm 42mm for men is washable, durable, comfy to wear, skin-friendly and lightweight

【Applicable Size】This nylon sports strap is compatible with the Whoop 5.0 One/Peak/MG/Life biceps training band, ranging from 210mm to 400mm(8-16 inches), suitable for most people, regardless of age or gender. You can quickly and easily adjust the arm size for a perfect fit on your arm fit. Not compatible with Whoop 4.0)

128GB Storage Capacity