New Helmet May Feel Tight At First, This Is Normal And Required To Ensure Rider Safety. The Foam Takes Few Days To Adjust As Per Rider'S Head Shape And Size. Certification: ISI (IS: 4151) And Dot (FMVSS No 218) Certified | Size: Large | Weight: 1600 Gm Visor Construction: Visor Style: Optically Correct Aviator Style Face Shield With Micro-Metric Stops Made From Polycarbonate Material, Hard Coated Surface: Hard Coated Visor Surface With UV Treatment For Increased Scratch Resistance This Helmet Comes With Aerodynamic Shell With Large Eye Port For Greater Visibility Release Mechanism: Hand Operated Screw-On Mechanism No Tools Required THH Helmets meet superior quality helmets and certified with ISI and DOT that keep you completely safe and protected during your all trip. With highly efficients design, THH Helmets is made with Unbreakable hard ABS (Acrylonitrile butadiene styrene) shell which eliminates the impact and so with its EPS liner provides you with extreme durabilty. Inner cushions padding are sweat absorbing and provide you extreme comfirtness during your adventurous rides. The scratch resistant visor is just made to give you undistracted view on the roads and and ensuring with no breakage. The products comes with different attractive graphics design and colors for the choice of evrerone. Its chin starp doesnt let your helmet unlock and comes off during any accident that ensure the safety of your head.