FOR THE LOVE OF DIRT SPEED & AIRGeared right for dirt jumps drops & downhill runs the Jacket features a low-profile upper with a flex-tuned bottom shank & a Vibram® rubber outsole engineered for exceptional pedal grip. EVA in the midsole cushions against shock & a Poron® XRD heel pad helps minimize the impact of hard landings & bailouts.UPPER: Low-profile design High-quality synthetic leather Laced closure with lace keeper strap Internal bootie construction system Rubber toe cap OUTSOLE: Vibram® Mega Grip rubber outsole with engineered lugs at pedal zone FOOTBED:EVA midsole with Poron® XRD heel cushioning Molded EVA footbed with medium arch support Aegis® anti-microbial treatment WEIGHT:416 grams (size 42)