jean SPIDI Qualifier Regular vintage blue 3D. Marked with a yellow leather label, this model features an exclusive stitching on the inside of the leg useful to guarantee the wearer an ergonomic position while riding a bike or motorcycle. To increase safety in such conditions of use, we also developed removable Cordura reinforcements, which can be easily inserted into the knee area of the jeans to protect them from scratches and abrasions. Soft and tight, they are easy to remove at any time.