This helmet is designed specifically for action water sports. Whether you are kiteboarding, kayaking, wakeboarding, tubing, etc.. you are going to want to protect your noggin. The Protec Ace Water helmet fits comfortably with water resistent padding. The shell is equiped with sixteen vent holes for ventalation and water drainage. DO NOT use traditional bike or climbing helmets as they are not tested for watersports. The Ace is comfortable and stylish. First and foremost, the Ace by Protec will keep you out of the ER!