Alpinestars Flex-AST 8 Jeans The Alpinestars Flex Ast-8 Jeans combine advanced protection, everyday comfort and timeless denim style. Built from single-layer A-Traacx technical denim with integrated Coolmax, Cordura, cotton and Nylon 6.6, they offer strong abrasion resistance and lasting durability. Designed for riding comfort, the Flex Ast-8 Jeans feature a classic straight fit with Alpinestars Nucleon Morph Stealth Level 2 knee and hip protectors. Slim and adaptive, the protectors provide broad coverage and effective impact protection while preserving the look and feel of everyday denim. Fully CE certified to Class AA, they deliver proven protection with a clean casual look. Fit: Classic straight fit Construction: A-Traacx single-layer technical denim combines Cordura, Coolmax technology, cotton, and Nylon 6.6 yarns Durable multi-stretch denim construction Reinforced knee and hip areas provide additional durability in critical wear zones Hidden dual seams and overlock stitching on the outer legs Double stitching and overlock construction on the inner legs Protection & Safety: Ultra-slim Nucleon Morph Stealth CE Level 2 knee & hip protectors included 3 position knee protector pockets Approved to 17092-2:2020 as a CE Class AA garment Comfort: Integrated Coolmax filament yarn wicks moisture away from the body Pockets: Traditional five-pocket construction Other Features: Belt loops Metal zipper fly Faux-selvedge detailing helps prevent fraying Leather rear patch, branded belt loop and rivets, and woven back-pocket patches