Havaianas Surf Flip Flops These Havaianas flip flops are made from 100% rubber & are perfect for hot summer days lounging around the beach. Part of the Havaianas surf range they are a must have piece of summer footwear. Size Guide: S = UK 41 – 42 (7 – 8) M= UK 43 – 44 (8 – 9) L = UK 45 – 46 (11 – 12)