S1 D3O Leather Pants. The best of the S1 D3O Men's Leather Race Suit, now offered as a jacket and pants combination designed for both comfort and protection. Featuring waist adjusters, neoprene comfort cuffs, and finished with durable knee sliders and two outer pockets for practicality. The 360-degree connection zip pairs perfectly with the S1 CE Men's Leather Jacket (sold separately), now upgraded with CE AAA-rated D3O Level 1 armor at hips and long knees for confident riding on track or road. Safety: CE Certification Rating: AAA. D3O Level 1 Armor: Hips and long knees. Material: Outer Shell: AST+ leather construction. Key Features: Comfort: Waist adjusters and neoprene comfort cuffs. Connectivity: Full 360° zip to S1 Leather Jacket (sold separately).