Summertime, a season to bring out the tanning lotion, sunglasses and flip flops. Your footwear needs will be taken care of with these sandals from Havaianas. Comfort, style and versatility are all features of the Slim Season sandal. UK Shoe Size Guide: S = 3-4. M = 4-5. L = 6-7. XL = 8-9. Brand : Havaianas. Heel Height Information Heel Height: (approx) Flat: <1cm; Low: 1-4cm; Mid: 5-8cm; High: 8+cm : Flat. Heel Type : Flat. Main Shoe Material : Synthetic. Material : Upper: Rubber, Sole: Rubber. Shoe Style : Flip-Flops.