The Alpinestars Radon Relaxed Fit Denim Motorcycle Pants have been designed specially for the urban rider.Reinforced side seams with triple stitching for durabilityInner fabric gussets in aramidic fibre reinforce the denim fabric at critical points such as the kneeRadon Tech is available in a full range of denim colourwaysAccording to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply: Fully CE-certified riding garment to CE - Category II EN17092 standards- A Class - CE Level 1 EN1621-1:2012 Alpinestars Nucleon knee protectorsThe Alpinestars Radon Relaxed Fit Denim Motorcycle Pants are made from a denim stretch shaped in a relaxed, straight leg fit for the upmost comfort. The stretchy denim delivers flexibility, enhanced comfort and a softer feel against the skin. The reinforced side seams with triple stitching offer great durability and the inner fabric gussets in aramic fibre reinforce the denim fabric at cr