Product detailed description Materials upper part synthetic fabric, washable mesh lining, treated with AEGIS antimicrobial technology rubber sole rubber laces, Velcro strap Size chart The optimal oversize for summer shoes is 0.8-1 cm. Recommendations for foot measurement and choosing the right size: How to choose shoes Made in China, the materials meet European standards and are safe. sandals Keen Seacamp Multi/Keen yellow (CNX)