Description of Boreal Falcon Climbing Shoes Flexibility and sensitivity define this model. It offers similar advantages to climbing barefoot but without the inconvenience. This model offers a more sensitive climbing experience for those that really want to feel the rock. The different thicknesses in the sole and its tested rand allow the toes to flex, increasing the natural movement of the foot. Perfect for extreme overhanging routes and boulders where toe placement is critical. Recommended for technical sport climbing and bouldering. Features: 465 gr. pair. Size 6 u.k. High quality Split leather with super-adjustable nylon tape lacing system Integrated padded mesh tongue for comfort Rubber reinforcement across the toes Boreal FS-QUATTRO.Thickness 4 - 4.6 mm depending on size IRS sole and heel Slip-lasted