The certified Missile v 2 Airflow Leather Pant incorporates a refined fit design, highly perforated thigh panels for airflow & has a specifically tailored sport fit & premium leather chassis for comfort, durability & flexibility. With ergonomic stretch panels & leather accordion inserts on the knees, these pants offer a versatile adaptive fit as well as class-leading protection inside & out. Features Durable premium leather main chassis constructed from 1.3 mm genuine bovine leather. Extensive high-density perforation panel strategically positioned on thigh. Accordion leather stretch zones above the knee offer enhanced flexibility. Extended high rear waist construction provides greater overlap with the riding jacket. Extensive stretch panels on calf & crotch area for enhanced fit & feel. Pre-curved leg construction helps reduce riding fatigue & improves fit. Strategically positioned zippered ventilation for internal air cooling. Waist connection zipper allows attachment to Alpinestars riding jackets. Hook & loop ankle adjuster for secure & personalized fit. Internally reinforced seat area with reinforced stitching. Internal mesh lining with stretch panel inserts work in conjunction with outer stretch zones for enhanced freedom of movement. Protection Developed to accommodate the certified Nucleon KR-H Hip Protector (available as accessory upgrade). Level 1 certified Alpinestars GP-R protection on knee. Replaceable SPORT knee sliders for excellent impact & abrasion resistance.