Adidas OPRO Bronze Mouth Guard. This entry-level self-fitting gum shield from Adidas features moulding fins to give a secure fit. It has 11 fins to provide a safe, secure and comfortable fit with a single layer construction. Available in Junior (up to 10 years) and Adult (10 years +) sizes. It has an impact resistant outer layer and is easy to mould. CE approved with up to £10,000 worth of dental warranty.