The La Sportiva Tarantulace Climbing Shoe is an unlined leather climbing shoe with asymmetric shape for advanced performance. The RN45 shoe shape is great for upper end performance without hurting your toes. The synthetic leather overlay lacing harness adds great support for entry to mid level climbers and the unlined leather is comfortable and soft. The aggressive rubber heel rand lets you stand in micro edges and the FriXion RS rubber is hard wearing yet sticky for long life. This is great shoe for gym climbers and outdoor climbers that need a one-quiver shoe that does it all. Features Quick pull lacing harness that delivers a snug precise fit Durable FriXion RS rubber compound for great grip and durability Lined tongue for moisture management Specs WEIGHT: 9.30 oz UPPER: Leather / Synthetic leather LAST: RN 45 FIT: Comfort with low asymmetry LINING: Unlined MIDSOLE: 1.8mm LaspoFlex SOLE: 5mm FriXion RS