Packed with a host of innovative safety and protective features, the Stella SMX-6 v3 Boots are the ultimate track and street performance riding boots. They are engineered with race-derived technology and protective materials to give riders a crucial performance edge on the track or street. The newly designed upper is precision-engineered to closely conform to the anatomical contours of the foot, offering optimal flexibility and improved walking comfort. Every component has been carefully designed with rider performance in mind, including protection innovations, improved ergonomics, and comfort features. These boots are certified protective motorcycle rider boots (EN 13634:2017) with a TPU ankle protector for biomechanical stability and protection of the calf, shin, and ankle. A new TPU slider on the medial side offers optimal protection.