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GMAX Helmets

GMax AT-21S Adventure Snow Helmet

Item: P815946
1 Read 1 Review 1 Q&A Write a Review

The GMax AT-21S Snow Helmet is an ECE-rated helmet designed to exceed your needs on the snow while doubling as your next adventure touring lid for the… Read More

$166.46
$184.95
Save $18.49 10%
Rebate Available! View Details

Please select a Color & Size to view availability.

GMax AT-21S Adventure Snow Helmet
(1 item)
Blemished - Very Good
$138.71

Product Details

GMax AT-21S Adventure Snow Helmet

The GMax AT-21S Snow Helmet is an ECE-rated helmet designed to exceed your needs on the snow while doubling as your next adventure touring lid for the road. An amber inner sun shield, speaker pockets and a moisture-wicking Coolmax CORE lining add comfort to the interior. A lightweight polycarbonate shell, dual pane anti-fog lens and included breath box keep the outside elements at bay. 

Features: 

  • Lightweight polycarbonate shell
  • Dual pane anti-fog snow lens
  • Drop down amber inner sun shield
  • Quick release buckle system
  • Removable, washable antimicrobial liner
  • Speaker pockets
  • Removable sun peak
  • DOT and ECE certified 
Product Style RevZilla Item # MFR. Product # Availability
Product Style Black / 2XL RevZilla Item #1762992 MFR. Product #G2210028 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Black / LG RevZilla Item #1762993 MFR. Product #G2210026 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Black / MD RevZilla Item #1762994 MFR. Product #G2210025 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Black / SM RevZilla Item #1762995 MFR. Product #G2210024 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Black / XL RevZilla Item #1762996 MFR. Product #G2210027 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Black / XS RevZilla Item #1762997 MFR. Product #G2210023 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Matte Black / 2XL RevZilla Item #1762998 MFR. Product #G2210078 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Matte Black / LG RevZilla Item #1762999 MFR. Product #G2210076 AvailabilityIn Stock: Requires 1-2 business days of lead time prior to shipment
Product Style Matte Black / MD RevZilla Item #1763000 MFR. Product #G2210075 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Matte Black / SM RevZilla Item #1763001 MFR. Product #G2210074 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Matte Black / XL RevZilla Item #1763002 MFR. Product #G2210077 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment
Product Style Matte Black / XS RevZilla Item #1763003 MFR. Product #G2210073 AvailabilityIn Stock: Requires 4-6 business days of lead time prior to shipment

GMax Helmet Sizing

Size Head (cm)
XS 53 - 54
SM 55 - 56
MD 57 - 58
LG 59 - 60
XL 61 - 62
2XL 63 - 64
3XL 65 - 66
4XL 67 - 68

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • H Head
    Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
Product Description
Part Numbers
Sizing & Fit
1 Customer Reviews
1 4/5
1 Questions & 1 Answers

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