At street level, any wind is a good wind, and the Sensation Vent makes the most of it. Breathable mesh comprises a close-fittng upper with waft through mesh lining. In-Board footframe lowers the foot and makes for a low-bulk profile. Molded thermoplastic exterior unitary footframe flares into spiky sidewalls, a wraparound rear bumper and kick-start bumper at the toe. Dramatically pared down Vibram Catalyst sole effectively uses texture for urban surface grip.End Uses: Light hiking, biking or walking the urban terrain. Best worn with a mid- to light-weight soSlip Lasted ConstructionBreathable Mesh UpperBreathable Mesh Lining4.5mm Anatomical FootbedNylon 6.6 Injection Molded Arch ShankIn-Board Compression Molded EVA Footframe3D TPU Injection Molded EVA FootframeAir Cushion Midsole2.5mm Sole Lug DepthVibram Catalyst Sole/TC5+ RubberVegan Friendly FootwearMen's Weight: 1 lb. 8 ozs.