SLID Advanced Polycarbonate Composite Shell SLID Advanced Polycarbonate Composite Shell SLID Advanced Polycarbonate (Sliding Layer Impact Distribution) Large Eye Port ACS SuperCool® Interior Lining Advanced Ventilation System with Channeling Strap made of nylon Soft Storage Bag with Double D-Ring Retention System ECE and DOT Approved Standards Included Polycarbonate Composite is used in the construction of this item Weight: 2.95 lbs. / 1340 g (approx, based on Size Medium Solid Color).