Alpinestars A-1 Pro Chest Protector - White Black Red - Size M/L\n\nPolyhedron Hybrid Technology chest and Polyhedron Technology back protector that offers unsurpassed Levels of ventilation, is super-lightweight and delivers excellent upper body protection against impacts. \nKey Features \n\u2022 Ultra-ventilated with ram air plenum directing heat build-up away from the chest\n\u2022 Flexible chest protector molds to the chest shape for an adaptive fit\n\u2022 Anatomically profiled back protector is contoured to follow the natural curves of the spine for superior comport\n\u2022 Adjustable and removable shoulder padding for a customized fit\n\u2022 BNS compatible via elasticated BNS pull tabs\n\u2022 Lightest CE Level 1 Chest Protector weighs only 664 grams in size M/L \nProtection\nLevel 1 CE and UKCA Certified\nConstruction \n\u2022 18% of the chest protectors structure consists of ventilation apertures and these are aligned through both layers of the hybrid structure to ensure max;