Our endless summer essential now with highly evolved breathability for hiking or biking the trails. A lattice-like overlay of Dura leather strapping supports and protects while enhancing the open-window venting of the breathable mesh upper that is a Merrell mark. Full bumper protection at the toe and around the heel Proven Vibram Multi-Sport sole with TC5+ rubber compound for grip and durability.UPPER/LINING? Dura leather and mesh upper? Bellows tongue keeps debris out? Synthetic leather toe cap and heel counter? Breathable mesh lining treated with Aegis? antimicrobial solution? Ortholite? anatomical footbedMIDSOLE/OUTSOLE? Molded nylon arch shank? Compression molded EVA footframe provides cushioning? Merrell QForm? Comfort midsole provides women??s specific stride-sequenced cushioning? Merrell air cushion in the heel absorbs shock and adds stability? 5mm sole lug depth? Vibram? Multi-Sport Sole/TC5+ Rubber? Weight: 1lb 13oz