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