XT-4 OG RED VIPER Size:6.5 UK reinvented and upgraded with a

reinvented and upgraded with a stride-stabilizing Agile Chassis System™ for a progressive adaptation of a true trail icon

Fine-tuned for demanding endurance races and runners

XT-6 is a descendent of trail legends that has mastered the switch to city landscapes

Once you unfold the sleeve

XT-4 OG RED VIPER Size:6.5 UK reinvented and upgraded with aMimicking the cunning and dynamic movements of the viper through sharp red accents and a slick profile, this XT 4 OG Red Viper celebrates the Year of the Snake in style. Snakeskin patterning on the lining and insole gives this trail legend new energy while it maintains all the best performance tech of its day.