Alpinestars race proven PU knuckle protection system features advanced airflow ventilation and thermoplastic PU for superior impact and abrasion resistance.ulliAlpinestars race proven PU knuckle protection system features advanced airflow ventilation and thermoplastic PU for superior impact and abrasion resistance.liShort glove design with extended cuff to protect external wrist area.liAll leather construction with PU profile around vulnerable outer wrist.liReinforced external padding on thumb and re-enforced finger tops and sidewalls.liPatented 3rd and 4th finger bridge prevents finger separation and stops protection rolling off the fingers in the event of a slide.liPerforated leather fingers finger gussets and palm for maximum cooling without compromising safety.liInnovative open back knuckle design with perforated top panel.liAccordion leather stretch insert panel over thumb and on fingers for better flex and natural feelliSynthetic suede palm with reinforcements for improved grip.liVelcro wrist closure. liTPR thermoplastic rubber detailing and printed logos.ul