These are Upline Chameleon cycling shoes with the ATOP retention system and non-slip heel. These shoes are silver / multicolor (changes color in the light), with a synthetic upper and very stiff nylon outsole. They are lightweight and the sole is very stiff. There are multiple vents to keep your feet cool. They are compatible with 3-bolt SPD-SL  & 2 bolt SPD cleats and ideal for road cycling.  US shoe size of 7.5 and EU shoe size of 40 (I wear 9.5 and I'm able to squeeze my foot in the shoes), but may run a little larger. See the size chart in photos for sizing. Get your hands on these Upline Chameleon cycling shoes for your next cycling adventure!