Leather palm for comfort and control and perforated leather on top hand and wrist for excellent levels of breathability, Alpinestars Dynamic Friction Shield (DFS) knuckle protection system features dual density polymer mold construction for superior levels of impact and abrasion resistance, Vented knuckle gusset aids internal airflow for cooling performance, Synthetic suede side reinforcements on landing zones for abrasion resistance and durability, Accordion leather stretch inserts on fingers and thumb to increase fit and directional movement and comfort, Thumb and palm reinforcements constructed from advanced elastomer for a superior grip and movement