The perfect unisex slide for after-sport therapy or outdoor activities, the Kiwi features a padded upper with hook-and-loop closure for the perfect adjustable fit. Features a padded upper with hook and loop closure for adjustable fit. Durable TPR outsole with wave-patterned tread helps improve traction. Biomechanically designed to hug your arches, Vionic Technology helps support natural alignment from the ground up. Received APMA Seal of Acceptance. For the greatest comfort, we recommend wearing your new Vionic footwear or orthotics for just a few hours for the first few days to allow your feet to adjust to the new level of orthotic comfort and support. Fits medium widths. Within one to two weeks you should find the product completely comfortable and supportive. To clean, wipe off with damp cloth and air dry under indirect sunlight only. Do not submerge in water or use solvents to clean products. Do not expose to extreme temperatures. Commercial dry cleaning or home wash/dry laundry machines are not recommended. If you are a half size, we recommend ordering the nearest size down. Kiwi Motion Unisex Sandal Sizing is as follows: Women's 6/ Men's 5, Women's 7/ Men's 6, Women's 8/ Men's 7, Women's 9/Men's 8, Women's 10/Men's 9, Women's 11/ Men's 10, Women's 13/Men's 12, Women's 14/Men's 13.