Size: - EU 36, US 5, UK 3 - EU 37, US 6, UK 4 Front Toe Post Adjustable Buckle Straps Hydro is a smooth PU-coated leather with matte finish SoftWair memory foam footbed for comfort Built of super-lightweight EVA sole, with ripple tread Details: -Toe Loop for a Secure Fit -Adjustable Buckle Straps at Ankle -Pull Tab at Heel -Unlined -Signature Yellow Stitching -EVA Outsole -Platform is Approximately 1.75inches -Color: Black ( similar to voss with toe loop)