EU Size 44 US Size 11.5 Women10.5 Men Cutting-Edge Construction An eight-piece, perforated microfiber upper keeps the shoe ultralight and breathable, making it feel more like a second-skin than a rock shoe.. Vibram XS Grip 2 Rubber Ideal for any rock type and style, the XS Grip 2 rubber is both stiff and sticky, giving you the grip you need for steeper walls and overhanging boulders.. DTS Active Rand The highly asymmetric design is amplified by the DTS system which transfers power directly to your big toe and helps the shoe retain its downturned shape.. Surround Rubber Tension By wrapping a layer of soft M50 rubber around the forefoot, SCARPA added a touch of stiffness to the toe, providing an unparalleled stick for toe hooks and scums.. Sizing Advice Synthetic climbing shoes should fit snugly and will not stretch much over time. An ideal fit should have no dead space out of the box. Use the sizing chart in the product images or description to find your size, then downsize to 2 sizes for premium performance..