Compatible Models Designed specifically for WHOOP Life ECG Ready trackers. Not compatible with WHOOP Gen 4 models. Note: WHOOP fitness tracker is not included. Silicone Construction Crafted from quality soft silicone that is gentle on the skin, preventing irritation during prolonged wear. The band is lightweight, durable, flexible, and resistant to dust, sweat, dirt, odors, and fading. Its comfortable fit makes it ideal for allday use, whether at the gym, outdoors, traveling, working, relaxing, or sleeping. Easy Installation Engineered for quick and secure attachment. Simply align the holes at both ends and press to lock the band into place. No tools required. The secure connection prevents the tracker and strap from loosening or falling off during activity. Only compatible with WHOOP Life ECG Ready models. Fully Adjustable Fit Features robust hook and loop fasteners for easy wrist size adjustment and a secure fit. Suitable for wrist sizes from 5.9 inches to 8.26 inches (150mm to 210mm). Stylish silicone design suits both men and women. as a thoughtful gift for family or friends on occasions such as birthdays, Christmas, Valentine's Day, Thanksgiving, or holidays. Versatile Use Scenarios Ideal for intensity workouts, outdoor adventures, sports training, and daily wear. The breathable, sweatresistant design ensures comfort and reliability whether you are at the gym, hiking, traveling, or sleeping. Designed to deliver performance and style in any setting.