The Daytona Helmet Series Redefined The Marriage Between Technology, Safety And Artistic Design. The Troy Lee Designs D4 Carbon Helmet Changed The Game Once Again. We Were Able To Strategically Increase Strength And Durability While Keeping The Overall Weight To A Premium. This Model Also Features Integrated Mips Brain Protection System, Lightweight Titanium D-Rings, A Collarbone Suspension System And Quick Release Xt2 3d Cheek Pads And Ionic Washable Liner.The D4 Carbon Helmet Utilizes Carefully Selected Sizes And Shapes Of Ud (Uni-Directional) Carbon Fiber Sheets Applied Strategically. An Unpainted Or Translucent Finished Helmet Shows This Layered Structure Of Carbon Fiber Throughout The Shell. This Is A Normal Appearance And Of Intentional Construction.Features:Mips: - Mips Brain Protection System Designed To Reduce Rotational Motion Transferred To The Brain From Angled Impacts To The Head.Shell:- Textreme Spread Tow Carbon Fiber Reinforcements In The Shell Of The New Tld D4 Carbon Helmet Has Helped Pare Down The Weight Of The Full-Face Helmet By Almost 50 Grams Without Sacrificing Strength.Cheekpads:- Anatomical ´´3d´´ Contoured Cheek Pads With Emergency Release System For Ems RespondersLiner:- Removable Snap-In, Washable Comfort Liner With Coolmax® And Dri-Lex Moisture-Wicking MaterialsEpp:- Epp (Expanded Polypropylene) Chin BarVentilation:- For Comfort, The D4 Comp Routes Cooling Air Through A Front Air Intake System That Flows Through The Polymer Center And Power Grid Side Mesh Keeping Your Head Cooler During The Ride.Specificaitons:What´s In The Box:- Helmet Bag: Tld Factory Pilot Bag- Medical Sticker: Medical Information Sticker To Insert- Owners Manual: All The Details On The D4 Carbon Helmet