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2019 Fox Dropframe HelmetMaximum coverage open faced trail helmet.Dropframe redefines what an open face mountain bike helmet can be. Superlight and extremely breathable, it's the choice for trail riders seeking more coverage, more confidence, and more fun.This game-changing open faced enduro/trail helmet features the dual-density Varizorb™ EPS liner and our proprietary M.O.RE. (Mandibular Occipital Reinforcement) Guard design. M.O.RE. provides more coverage for the ears, jaw, and back of the head. This combination provides the most complete coverage we offer in an open face helmet.