Tractech Evo 5 D3O Leather Pants. The latest generation of RST's legendary Tractech Evo two-piece set is fully upgraded with D3O armor throughout for maximum impact protection. Designed for both track and fast road riders, these pants feature CE AAA-rated D3O Level 2 armor at hips and long knees, quick-dry stretch mesh lining, and ergonomic enhancements. The removable thermal lining and universal connection zip make this a versatile, performance-driven choice for serious riders. Safety: CE Certification Rating: AAA. D3O Level 2 Armor: Hips, long knees. Back and Chest Armor: Ready with pocket ONLY. Material: Outer Shell: AST-Pro outer leather construction. Lining: Quick-dry stretch mesh and removable quilted thermal liner. Key Features: