Optimized for a women's performance fit, Constructed of 1.3mm grain cow leather, Protectors at the elbows and shoulders, Shoulder Thermoplastic Polyurethane (TPU) slider protectors are race proven, Large accordion stretch panels help movement and comfort on the bike, Multi-panel liner construction improves comfort and ventilation, Stretch panels on sleeves, chest and back areas to further improve fit and feel, Pre-curved sleeve construction, Waist adjustment with hook-and-loop straps, Two zippered hand pockets, Inner waterproof wallet pocket, Chest pad compartments with Polyethylene (PE) padding (Alpinestars Bionic Chest Pads available as an accessory, sold separately), Multiple-snap-button system to integrate the Alpinestars Bionic Back Protector, Soft, 3D mesh collar construction, Waist connection zipper allows attachment to Alpinestars riding pants