The Oboz Traverse Mid BDRY is equipped with the BFit lacing system. With just a gentle pull on the laces, the BFit lacing system securely sets your heel in place without added instep pressure. The TPU heel counter ensures that you return from your adventure with the same heel fit that you left with. Deep, strategically placed lugs keep weight low and traction high. Upper: Synthetic Leather Highly Abrasion Resistant Textile Welded Stitchless Synthetic Micro Suede Cage Oboz BDry WaterproofBreathable Membrane BFit Lacing System TPU Heel Counter Metal Lace Hardware Construction: Board Lasted Construction Footbed: BFit Deluxe Midsole: Dual Density EVA, TPU Chassis, Nylon Shank Outsole: Granite Peak Outsole Weight: M9: 19.6 oz.