Product detailed description materials: upper part artificial fabric, washable mesh lining, treated with AEGIS antimicrobial technology rubber sole rubber laces, velcro strap The optimal excess for year-round shoes is 1-1.2 cm. Recommendations for measuring the foot and choosing the appropriate size: Made in China, the materials meet European standards and are harmless. sandals Keen Seacamp II Black / brilliant blue AD (CNX)