The Shokbloker body absorbs and diffuses both frontal and transverse impact. The Airthru channel improves breathing when the jaw is closed. The slipsafe pads are the raised areas on the underside which prevent slipping when the jaw is closed. Makura Toka Pro moutguards are latex free and not for use with fixed braces. Makura Toka Pro Senior are recommended for anyone over the age of 11 years & the Junior for anyone under.