Product Details + Finale Sale: Mad Monkey 2s bought on or after 7/4/24 are final sale and do not qualify for a return or warranty. Details Easy on/off one strap design Highly variable lengthening ability with two straps in the heel (up to .5 size) Constructed with thin and soft materials for maximum comfort Smallest size range available in climbing shoes Science Friction 3.0 rubber sole for the best friction Vegan friendly Technical Details Stiffness Soft/Medium Upper Material Syn Flex Closure Hook-and-loop Midsole 1.4mm polyester Rubber Science Friction 3.0, R2 rand rubber Profile Comfort Asymmetrical Curvature Moderate UK Sizing Upsize 1 full size to find your US size