Compatible Model:The replacement bands are compatible with the Whoop 5.0/Whoop 4.0 (Note: no machine included,Not support for Whoop 5.0 Life ECG)
Easy to Replace:Adjust the band length for you arm/ankle,then take up old band, replace the new band.One size fits all from 7.5 to 16.5 inches ankle, forearm or upper arm for men and women
High Materials: This Whoop arm/ankle band used high-quality nylon material,breathable,stretchy,adjustable,comfortable etc. Ideal for daily sports activities or workouts
Easy Care: It is washable, durable, resistant ,no pilling and no fading
After Service:If you have any questions, please feel free to contact us, we will be at your service intime.