Boots Motorcycle cross Enduro Leatt GPX 5.5 Flexlock United Yellow Pur TG 45,5. The description of this item has been automatically translated. CROSS ENDURO MOTORCYCLE BOOTS. Leatt GPX 5.5 FlexLock Motocross Boots. The new Leatt GPX 5.5 FlexLock boot, a three-year project with long-term development and testing with. Our Pro athletes from all over the…