EVA-Lite OutsoleHyperlite outsoles blend performance, comfort, and durability in the lightest possible EVA material. TPR shock pads provide extra cush on hard landings. Boa Closure SystemEasy one-handed adjustment. A quick turn of the Boa dial provides custom comfort with smooth, even closure. With a quick release of the reel, the laces open fully, and you're out. Built atop Hyperlite's custom last technology, tallest cuff height, maximum support. Progressive Wakeboarding Footwear, Lighter- Stronger- Better. Rusty's new boot is built like nothing the wake industry has ever seen because of its true footwear construction. The Kruz Boot interfaces with the System Binding allowing for a lightweight feel and maximum comfort. Beginning with a lightweight EVA outsole and TPR impact pods the Kruz boot creates great cushioning under foot. Custom insoles with integrated arch support cradle the foot for maximum stability. Hyeperlite's exclusive Hyper-Liner heat moldable EVA creates a custom fit and comfort throughout the boot. *Remember each System Boot is designed to work exclusively with Hyperlite's System Binding. Both components are needed for use.