Arizona Essentials EVA White Beach Sandals -Ultra lightweight -Flexible EVA -Shock absorbing -Waterproof -Skin friendly -Two straps with individually adjustable pin buckles -Size 39 translates to 9-9.5 women’s shoe size or 7-7.5 in men’s - Worn only a handful of times not to the beach but as slip ons to grab the mail / run light errands EVA stands for ethylene vinyl acetate