Item is Adjustable to Size. Comes with sizing instructions. About this item Custom Fit for All Wrists: The cPRIME NEO Broadline Sport Balance Bracelets offer a free-crop design, making them suitable for any wrist size - be it male, female, teen, or any age group. Before purchasing, simply measure your wrist to ensure the perfect fit. Advanced Technology for Enhanced Performance: Elevate your workouts with the cPRIME NEO Broadline Sport Energy Bracelets. Packed with high-tech energy chips, they not only boost strength and flexibility during exercise but also help you achieve better balance. Ideal for various activities like training, yoga, mountain climbing, and even boxing. Quality Sleep & Stress Relief: Harnessing the latest technology, these bracelets can contribute to improved sleep quality and help alleviate insomnia. They also make a thoughtful gift for friends, family, and loved ones, encouraging them to embrace a healthier, more active lifestyle. Skin-Friendly Silicone: Crafted from food-grade silicone, these bracelets are not only environmentally friendly but also gentle on your skin. Their soft and lightweight design ensures comfort, and the adjustable length makes them easy to wear.