Comfortable slip-on performance climbing shoe built for training and vertical faces Built on a newly designed last, the Rave will improve your climbing with cutting edge precision and comfort. Let the clean lines and the soft leather upper form to your foot. Let go of your preconceived notions of baggy-heeled slippers and fall in love with high tension heel rand that makes this the best fitting slipper on the market. Features UNLINED LEATHER - Provides maximum breathability and comfort. TRAXA(R) SAS - Best friction plus maximum durability. MOLDED VTR - Evolve&';s Variable Thickness Rand (VTR) system puts thinner rand rubber in areas to reduce pressure points and hot spots around the foot as well as thicker rubber for increased longevity in the high wear zones near the toe for durability and performance. FULL-LENGTH MIDSOLE & OUTSOLE - For maximum support and comfort. Specifications Materials: Leather Midsole: 1.0mm Full-length Outsole: 4.2mm TRAXA(R) SAS Closure: Slipper