S1 D3O Mesh Leather Pants. Responding to high demand, the S1 Collection now features these mesh leather pants that blend premium full-grain leather in critical impact zones with breathable K300 mesh panels for exceptional airflow during warm weather rides. Equipped with CE AA-rated D3O Level 1 armor at the hips and long knees, plus practical features like elasticated side panels, knee sliders, and a 360-degree connection zip, these pants offer comfort and protection without compromise. Safety: CE Certification Rating: AA. D3O Level 1 Armor: Hips and long knees. Material: Outer Shell: Full-grain leather impact zones with K300 mesh panels, four-way stretch fabric for enhanced mobility. Lining: Fixed mesh lining for breathability. Key Features: Comfort: Elasticated side panels.