This sandal can withstand everything a child can get up to. They're easy to put on thanks to the adjustable straps with hook-and-loop closures. The quick-drying fabric is ideal for action in and around the water.ECO Odor ControlWe've turned to nature to keep pesticides and biocides out of the environment. Our insoles are infused with probiotic technology that naturally breaks down sweat odor without heavy metals or dangerous chemicals.PFC-free water repellencyPerfluorinated chemicals (PFCs) are commonly used to make outdoor clothing and footwear long-term water repellent. These substances are suspected of being carcinogenic. In addition, they degrade very slowly and remain in the environment. We have therefore switched to alternative chemicals that offer the same performance but are safe for people and the environment.Metatomic FootbedThis insole and last have been specially designed to provide optimum arch support. Special attention has been paid to the metatarsophalangeal joint. Metatomic is a word made up of metatarsal (referring to the metatarsal bone) and anatomical. - Size information: Size runs normal - Fit: Regular fit - Details: - Securely stowed laces - Lightweight ESS plate offers support - Metatomic EVA footbed - KEEN water sandals are machine washable Outdoor shoe - Type: Sandals - Application area: Recreational Material Shoe - Type Upper: Synthetic - Upper: Washable polyester fabric - Type Lining: Textile - Sole Type: Rubber - Midsole/Midsole: EVA - Lining: Mesh Features Shoe - Type Closure System: Velcro - Features: Pull-on aid - Crampon suitability: not crampon resistant - Footbed/insole: preformed footbed Material - Features: PFC-free.