Nucleon Flex Plus knee with Bio-Flex hip protector compatibility (Bio-Flex hip protectors are available as an accessory upgrade, sold separately) Adjustable, removable bib braces for an improved comfort fit while also ensuring the pants remain in position Cargo-style pockets for real-world practicality Zippered air intakes for effective internal temperature control Adjustment waist system features buckle and stretch material for an optimized fit Integrated reflective details Reinforced polymer-printed texturing in critical knee areas for added abrasion resistance Removable and positional-adjustable knee protectors ensure superior protection against impacts Interior hip pad compartments (Bio-Flex inserts available as an accessory upgrade, sold separately) Tapered touring fit for enhanced comfort when riding Pre-contoured leg construction with knee stretch panels insert for optimum riding comfort Efficient direct ventilation ports strategically positioned on thighs for high levels of airflow Removable long thermal liner allows the pants to be adapted to suit the weather conditions Constructed with an advanced reinforced polyfabric textile for durability and Alpinestars exclusive Drystar® membrane for 100 per cent waterproof performance in wet weather conditions