Rocks, roots, berms, booters and all-around rowdy riding. This is where the tenacious grip and burly protection of the GR9 (GR903) Flat Pedal MTB Shoes really shines. On the pedals, Shimano's proprietary ULTREAD outsole compound and tread pattern provide unshakeable grip and unerring confidence as you fly down any downhill or enduro trail. The improved patterning also offers secure pin engagement, meaning you never feel unnerved or off-balance as you hit a big trail feature. It's rated at 5 out of 12 on Shimano's stiffness rating, ensuring efficient pedalling when needed but also excellent comfort across rough terrain. To the upper, the reinforced synthetic leather is both supple and durable. Mesh inserts are also deployed to keep fresh air flowing and let sweat escape when the day warms up. Reinforced toe and heel zones prevent bumps and bruises from ruining your ride. And with an integrated cuff included, debris kicked up off the trail is kept out of your shoes.