The Bobster MX3-100BK off road goggle is for the serious rider especially those who wear prescription lenses. Standard with the goggle is a removable RX insert that can have your prescription put right in. Set in a black gloss frame, 3 layer foam (Neoprene, foam & Fleece) to prevent dust and dirt from getting in and an air flow circulation system to keep the lenses from fogging, this goggle is the ultimate in off road gear. The lens has anti-fog coating and 100% UVA/UVB protection.