Boot Moto 5.5 FlexLock Evo. Pro-level protection and superlative comfort. The Leatt Boot Moto 5.5 Flexlock Evo delivers exceptional comfort and pro-level protection. TPU armor shields the shin, ankle, heel, and foot. Enhanced grip panels, FlexLock ankle-force reduction, a low-profile toe box, and a durable, CE-Certified sole create a sure connection to the bike, while a flexible collar, improved slide-lock closure, and new front / rear bellows maximize mobility. Main Features: Flexlock adjustable lower boot. Rear torsion blade limits front / rear over-flexion with 3DF foam over ankles. Aluminum overlock buckles with stainless bases. Slidelock one-way closure at top of boot. CE Certified: prEN 13634: 2017. Additional Features: New collar material / construction with elastic fabric. Velcro® brand hook-and-loop Pull Tab slide-lock construction and design.