Extremely comfortable & lightweight, the SP Air is constructed from strategically perforated full grain leather & 3D mesh top hand surface for a glove that is optimized for warm weather riding. With an advanced, race-derived polymer hard knuckle protector, palm slider & reinforced landing area, the ergonomic SP Air delivers class-leading protection on every ride. Materials Supple, durable full-grain leather chassis incorporating strategically placed 3D mesh inserts for optimized airflow & comfort. Ergonomically profiled synthetic suede reinforcements on the palm & outer hand landing zones provide maximum abrasion resistance in key impact zones. exceptional cooling Localized perforations on palm & backhand surface & ventilated & mesh finger sidewalls offer exceptional all-round air flow TPR air intakes on fingers & knuckle protection prevent the build-up of sweat & heat while riding. performance fit Alpinestars’ exclusive ergonomic stretch insert between palm & thumb offers enhanced range of hand movement & greater sensitivity while operating the bike controls. Long gauntlet cuff construction offers extended coverage & comfort for the lower arm & can be tightly & securely closed over the jacket sleeve to form an excellent seal against the weather. Pre-curved finger construction reduces rider fatigue while offering excellent comfort & fit. Ergonomic injected TPU palm slider for superior impact & abrasion resistance in key area. Race-proven, injected TPU knuckle protector to absorb & dissipate impact while providing air cooling thanks to its specifically engineered vents. Alpinestars patented third & fourth finger bridge prevents protection rolling around the finger & roll separation in the event of a slide. Palm, fingers & backhand padded with energy absorbing EVA foam for additional protection. Velcro® wrist adjuster & wide Velcro® strap on the cuff provide a secure & adjusted closure. Leather stretch accordion & Lycra® gussets on fingers & thumb for superior fit & flexibility. Touchscreen compatible index fingertip & thumb allow the use of smartphone & GPS systems Printed & embroidered logos & detailing.