Leatt GPX Adventure Jacket The GPX Adventure enduro jacket is designed by Leatt for a perfect fit with any GPX or DBX Leatt-Brace. Wear a riding jacket designed around the Leatt-brace not modified to accept it. Features Water resistant outer shell is a tough 70 polyester, 30 Nylon blend coated with polyurethane Purpose built neck made to work with all GPX and DBX Leatt braces, a perfect fit Waterproof, breathable, stretchable brace cover built into neck Removable, zip off sleeves Storm flap covers front YKK zipper Four zip open ventilation panels keeps you cool Four adjusters on arms eliminate wind flap Five exterior and two interior pockets Two rubberized hydration tube openings in front Interior polyester mesh lining adds comfort Drop tail design helps keep dirt and water out of pants Window pocket on sleeve Zippered sleeve openings with adjustable Velcro closures Interior pockets allow for optional shoulder and elbow pads