Youth Kinetic Lite. Standard: DOT approved. Construction: Durable and lightweight polymer shell. Dual-density EPS (Expanded Polystyrene) liner. Custom-molded rubber trim with integrated nose guard. Weight: 1342 grams ±25 grams (adult size LG), 2.95 pounds ±0.06 pounds (adult size LG). Comfort / Liner: Removable and washable comfort liner and cheek pads absorb sweat while providing ventilation. Ventilation: True Functional Ventilation (TFV) - When in motion air is forced through multiple air intake vents, then passed through aligned vent channels in the EPS and exits out multiple rear exhaust vents. Accessories: Included soft fleece helmet bag.