Design Philosophy Little Rippers, Mini Shredders, Groms, Cycle Sprogs, whatever you want to call them, the next generation of riders need quality kit too... The new kids Core Tee is a high spec tech T with a fun bold graphic, ideal for hot weather shredding. Technical fabric. It's not just great looks. Hidden beneath the fully sublimated exterior is a technical lightweight fabric that moves sweat away from your body keeping you cool and dry.