Alpinestars Bogota Pro Drystar 4 Season Pants Engineered for riders seeking maximum protection and comfort in any weather, the Bogota Pro Drystar 4 Season Pants embody Alpinestars' commitment to high-performance apparel. These all-season pants incorporate a 100 waterproof and breathable Drystar membrane, complemented by a DWR (Durable Water Repellent) treatment for outstanding wet-weather performance. Designed for a comfortable, ergonomic fit, they feature large direct ventilation panels on the thighs to regulate temperature effectively. Constructed from light yet durable micro ripstop and 600D poly-fabric, they come equipped with Level 2 CE Nucleon Flex Pro knee armor and Bio-Flex hip armor for superior impact protection. The versatile Liner to drop system adapts to any weather, provided with a detachable 100-gram thermal liner for colder conditions, making them the perfect companion for adventure riding. Fit: Slim fit through the thighs with a long inseam Customers have found these pants run small and recommend sizing up one size Features: Ripstop and 450D coated hard outer shell construction for enhanced long-life durability Constructed with 100 GRS certified recycled Nylon 6 materials 600D reinforcements for additional durability in key areas Detachable 100g upper leg and 80g lower leg thermal liner allows the pants to be configured to the conditions Drystar liner can be worn over or under the main outer shell for real-world practicality and versatility Drop liner system allows the pants to be configured to the conditions, while being quick and easy to use DWR (Durable Water Repellent) treatment for additional wet-weather performance Wide ventilation panels thighs effective climate control in any conditions Direct ventilation panel can be operated with one hand for fast and effective climate control on the go Comprehensive stretch inserts for optimum freedom of movement and an enhanced fit Two hand pockets for safe and secure storage of valuables Waist adjuster and calf volume adjuster for an optimized fit Designed with a tailored, ergonomic fit to accommodate all riding movements Jacket-to-pant full connection zipper CE Level 2 Nucleon Flex Pro knee armor included Bio-Flex hip armor included Approved to En17092 as a CE Class AA garment