Champion Revolve X-Air MIPS Peaked Riding Hat - BlackChampion REVOLVE X Air MIPS Peaked Helmet Due to Champion having a large back up of orders, hats are taking around 4 weeks to be delivered. The REVOLVE X Air MIPS peaked helmet offers the same features as the X Air Plus, but with the addition of the MIPS Brain Protection System. A lightweight injection moulded ABS shell is finished with a durable synthetic suede finish, with a matching four point synthetic suede harness featuring rear lacing