STRAPPY MATERIAL: Made of recycled PET plastic fibers with 3 points of adjustability for a more customized fit; Wider straps allows for stronger support and more secure fit around ankle area all the way to forefoot instep area COMFORTABILITY & INSOLE: Compression molded EVA midsole offers resilient cushioning for all day comfort; Non-removable, EVA footbed with arch support; Features a natural, pesticide-free probiotic-based technology for breaking down odor in sweat TRACTION & SUPPORT: Higher-traction jute-infused, non-marking rubber outsoles leave no trace or imprints when walking indoors; Strap design and materials minimizes irritation and rubbing when walking FIT: KEEN builds women’s footwear on a women-specific foot form; This style is running true to size and KEEN suggests ordering your normal footwear size CARE TIPS: Gently brush the sandal with a soft, damp sponge to remove loose dirt and restore surface; Stains should be treated immediately with a gentle cleaner