The Leatt 6.5 boot features a SlideLock auto-locking one way sliding closure system. This makes it easy to close the boot with gloves on and provides a great seal. Impact absorbing 3DF foam and limited flexion ensures ankle and knee protection, and the Goodyear sole construction provides great grip on and off the bike. The inner side and ankle of the boot have a bonded rubber material for outstanding bike control and the low-profile toe-box makes gear shifting easy. The Leatt 6.5 boot is complete with the LongLife spare kit, which includes spare buckles, sole and toe cap - making it a boot you buy for life. Sold with LongLife Ride Kit for a long-lasting boot. Spare buckles, straps, toes caps and soles. New Quad Ankle and Knee Protection. FlexLock. Controlled ankle flex with LockOut function. Reduces forces to ankles and knees. D.A.A. - Dual Axis Ankle. Supports correct and controlled movement.