Atomic Revent GT AMID offers a total safety package for serious all-mountain skiers who prefer a low-profile, modern design. The state-of-the-art hybrid construction combines ABS hard shell for stability and PC In-mold technology to decrease weight without compromising safety. Atomic Revent GT AMID boosts confidence with AMID 360Adeg, next-generation rotational-impact protection technology that surpasses industry standards for impact protection by up to 40%, resulting in the most advanced brain safety. Users can instantly adjust the helmet height to accommodate specific head shapes and sizes with Atomic&';s progressive 360Adeg Fit System, and Live Fit surrounds and molds for a personalized fit. An advanced cooling system, Active Aircon Venting offers customized ventilation with thoughtfully positioned air channels for temperature regulation. Datasheet Dive into the details Safety Technology Fit System Interior/Liner Construction Ventilation Weight Certification Safety Technology:AMID Fit System:360Adeg Fit System Interior/Liner:Remove-/Washable Full Cap Liner Construction:Hybrid Construction Ventilation:Active Aircon Venting Weight:450g (S) Certification:CE EN 1077:2007 CLASS B AMID 360Adeg360Adeg rotational-impact protection: Next-gen energy absorption for advanced brain safety.360Adeg Fit SystemFine-tunes the helmet to your head size and shape - height-adjustable for 100% personalized comfort.Live FitSurrounds your head 360Adeg and molds to your head shape for an instant individual fit.Hybrid ConstructionAn ABS hard-shell for stability, with an in-mold-lower part to save weight but keep protection high.Active Aircon VentingThe active version of our Aircon Venting system, with air channels and vents you can manually adjust and fine-tune.Remove-/Washable Full Cap LinerComfortable and light with integrated 3D-molded ear pads: warm on cold days and cool on warm days.Merino 3M(TM) X-Static LiningMade from merino wool with anti-microbial and anti-odor properties, regulating body temperature.Magnetic FidlockA(R) BuckleSuper easy to open and close one-handed - even with gloves on - and never pinches the skin.Audio Compatible Ear PadsHelmet BagCE EN 1077:2007 CLASS BASTM F 2040 XXS XS S M L XL XXL REDSTER WC - 51-53 53-55 55-57 57-59 59-61 61-63 REDSTER - - 51-55 55-59 59-63 63-65 - REDSTER JR - - 51-55 55-59 - - - REDSTER SL - - 51-55 55-59 59-63 63-65 - SAVOR GT AMID / SAVOR GT / SAVOR AMID / SAVOR / SAVOR VISOR / SAVOR GT AMID VISOR - - 51-55 55-59 59-63 63-65 - SAVOR VISOR R / SAVOR R - 48-52 51-55 55-59 59-63 63-65 - REVENT + AMID / REVENT + LF / REVENT + / REVENT / REVENT GT AMID / REVENT LITE / REVENT LITE+ / REVENT GT AMID VISOR - - 51-55 55-59 59-63 63-65 - BACKLAND UL / BACKLAND - - 51-55 55-59 59-63 63-65 - FOUR AMID PRO / FOUR AMID LITE - - 51-55 55-59 59-63 63-65 - FOUR AMID - 48-52 51-55 55-59 59-63 63-65 - REVENT JR / REVENT VISOR JR - 48-52 51-55 55-59 - - - FOUR JR 46-48 48-52 51-55 - - - - SAVOR VISOR JR - 48-52 51-55 55-59 - - - COUNT JR - 48-52 51-55 - - -