The Mad Rock Frenzy EZ climbing shoe uses it's three die-cut straps for rapid exit and maximum adjustability. The toe box features a dual rand for durability and a roomy, secure fit. The molded sole runs from the toe to the back of the heel for consistent feel no matter how it contacts the rock. EVA foam offers a great landing platform for those drops. The X-Static liner distributes the temperature evenly and eliminates hot and cold spots on your feet, while the antimicrobial fabric keeps the stink out of your step. All day and all-conquering, Frenzy EZ is happy to tag along on any route. Specs: Sole: 5.3mm molded Mad Rubber Formula # 5 Heel Cup: 2-D, Formula #3 Mad Rubber low tension slingshot system EVA Foam wedge, descent tread Rand: 2.2mm Mad Rubber Formula #4 Midsole: 2mm compressed polyester fiber midsole Upper: 2.0mm Vented SupaSuede leather, lined & padded Construction: Double stitched, molded 3-D gusseted tongue, padded cuff, padded lining, X-Static antimicrobial fabric Entry/Closure: Triple Loctite hook and loop closure, laminated, die-cut hook and loop straps, dual external pull tabs