GT-Air 3 Solid Helmets Shoei Optimized Aerodynamic Performance Wind Tunnel Tested for Maximum Noise Reduction CNS-1C Pinlock Shield System - Includes Pinlock Lens Enlarged QSV-2 Sun Shield System Enhanced Air Circulation Through Multiple Venting and Extraction AIM Shock-Absorbent Shell and EPS Liner for Improved Impact Protection Emergency Quick-Release System (E.Q.R.S.) Micro Ratchet Chin Strap SHOEI Comlink System Integrates With Optional SENA SRL 3 for Simplified Installation Breath Guard and Chin Curtain Included Standards: DOT Construction: AIM (Advanced Integrated Matrix) Shell Weight: 3.91 lbs / 1,774.75 g (approx. based on size medium solid color) *The weight listed is for the helmet alone and does not include the chin curtain, breath guard, or intercom