The La Sportiva Jeckyl VS is a snug fitting and comfy climbing shoe that is easy to put on thanks to the Velcro closure straps. The perforated leather makes this shoe extremely breathable while the 5mm Vibram XS edge sole offers a great balance of performance and durability. This shoe is idea for use in the gym OR on longer outdoor routes thanks to its high comfort levels.Fit: Medium volume.Midsole: LaSpoFlex 1.1mm.Sole: 5mm Vibram XS Edge.Average Weight: 16.9oz (480g) per pair.