USED REVIEW PICTURES P/N: 3020002102 (MX16) SOLD AS IS, NO RETURNS, WHAT IS PICTURED IS WHAT WILL BE SHIPPED. Ankle and knee saving off-road boots with adjustable flexlock system. The all New Leatt GPX 5.5 FlexLock boot, a 3-year project with long term development and testing using our Pro athletes from all over the world! The GPX 5.5 boot is a real head-turner when it comes to looks and style, but the design brief was comfort and protection also, and we nailed it first time. As you slide your foot inside our boot, you instantly feel the plush interior and quality of the materials used, it is like putting your feet inside your favorite shoes or slippers! Our adjustable FlexLock system reduces forces to the ankle by up to 37% and the knee by up to 35% by locking out the ankle movement when over flexed, giving you that feeling of security. With great feel of the frame, gear lever and rear brake, these boots instantly feel so good. You must check out our SlideLock Velcro function, it really is ground-breaking in security fastening boot technology. Features: Flexlock System: Adjustable boot flex Lockout of the ankle movement Force Reduction Lockout ankle movement gives: Up to 37% reduction of ankle forces Up to 35% reduction of forces to the knee Reductions compared to the market leader/most high-end boots Fit: Outstanding first-class fit even for wide feet Ankles: 3D-shaped impact foam over anklesm Heel grip ankle design Toe-Box: Low-profile, gear shift friendly shape Sole: DualZone hardness Extended foot peg riding zone for arch and on the blade riding style Steel shank reinforced and CE certified Cuff: SlideLock system Auto-locking, one-way sliding closure Bike Grip: Flat and grippy bike side of the boots for great bike feel Buckles: Forged Aluminum Over-locking function Inner Liner: Breathable mesh 3D liner with anti-slip reinforcement for zero heel lift CE tested and certified as: prEN 13634: 2-17 Size: US 7-13 UK 6-12 EU 40.5-48 CM 25.5-31