Inspired by the elements that connect us with the brand since its origins. - Waterproof - Wear it in the sea, pool or in the shower- Heat and sweat resistant - Wear it during workout- No discolouring or tarnishing- Hypoallergenic (No green skin)- Lifetime warranty- Designed in Copenhagen  Size: One size. 50cm + 4cm adjustable - (Fits more than 95% of our customers. Most prefer this size)