Alpinestars Challenger V2 1-Piece Leather Suit features:

Made with premium 1.3mm leather for durability and excellent abrasion resistancePerforated leather panels on the upper body, legs and back to help keep your temperature downFor an excellent fit that contours to your body, this suit features multiple panels, including accordion stretch panels on the arms, elbows and groinThe stretch panels on the knees, lower back and back of the shoulders are accordion leather so there's no compromising safety in potential impact zonesAccordion poly-fabric panels are used on the back and elbows for comfort and mobilityBuilt-in foam padding on the chest, hips, coccyx and back for extra protection in key areas and for greater comfortRemovable and replaceable sport-style knee sliders are fitted to a 3D knee panel designCE-certified, internal protectors on shoulders and elbows offers excellent impact protectionThe internal GP-R knee armour is CE certified and extends all the way down the shin for incredible coverage. The floating design of the knee/shin armour allows for the perfect fitNew design on the external shoulder protectorsPress-stud system allows you to install an Alpinestars CE-certified Nucleon Back protector, which is in stock as an accessoryChest and back pad compartments come fitted with foam paddingThe back-hump is designed to be aerodynamic and features a mesh panel to allow air in to cool you downSuit is lined with mesh for comfort and breathabilityinternal waterproof chest pocket for convenienceCalf expansion gusset to fit a variety of body shapes and for extra comfort