Tech 3 Enduro Waterproof BootsBoot upper construction is an innovative, lightweight microfiber material that is flexible and abrasion-resistantLight microfiber on front and rear bellows provides a more comfortable flex areaToe box is made of synthetic material for high abrasion resistanceExtended Polyurethane (PU) synthetic gaiter helps seal out water and dirtContoured Thermoplastic Polyurethane (TPU) calf guard, TPU higher medial guard, TPU outer lateral ankle guard and TPU heel counter for support and resistance to impactsRear TPU gaiter patch applied on the top of the TPU calf protector for comfort and impact resistance on the rear flex areaInjected TPU shin plate is connected with the TPU medial guard panelHook-and-loop upper boot closure with TR flap that provides a wide range of fit and supportTPU higher medial protector designed with technical texturing for improved gripBiomechanical medial blade system allows good front/rear boot flex and added support and impact resistance for the ankleErgonomic TPU triple buckle straps wrap smoothly from the front flex and medial guard to the lateral side of the boot without compromising the boot's flexibilityClosure system uses three polymer buckles with ratchet closure, buckle memory system and quick release/locking system with a self-aligning designAll boot buckles are replaceableOne-piece TPU injected dual-compound foot shell is reinforced by a metal shank inside a co-injected toe reinforcementSoft foam surrounds the ankles and boot collar for comfort and shock-absorbing performanceEntire boot is textile lined for comfortReplaceable EVA footbed with textile top liningAlpinestars all-terrain sole design with high-grip rubber compounds; sole is replaceable