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Six Six OneEvo AM Patrol MIPS Helmet

Temporarily Out Of Stock

Item # SSO00A4

Don't get too bummed. This item is on the way and will be available for purchase as soon as it rolls into the warehouse.

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Evo AM Patrol MIPS Helmet

When all-mountain protection is what you're on the hunt for, look no further than Six Six One's Evo AM Patrol MIPS Helmet. The EVO AM Patrol uses the same burly shell design as its big brother, the EVO AM, but with a bit more budget oriented price tag. It features traditional EPS foam lining that is combined with a hard, polycarbonate shell via in-mold construction for full coverage on the front, sides, and back of your head for maximum protection on rowdy rides. It's packed with MIPS technology for an extra hit of protection against certain rotational impacts, thanks to the free-floating system that sits between the helmet's shell and inner pads. To keep you comfortable on the trail Six Six One equips the Evo AM Patrol with a whopping fifteen vents strategically placed in the shell, elevating air flow throughout, while odor-fighting pads cover increased areas to reduce any irritating pressure points. And because we know you want to look good on the trail too, designers at Six Six One built the helmet with a distinct and modern aesthetic that keeps you looking fresh while you shred.

  • An all-mountain helmet with total protection
  • Full coverage construction shields sides, back and front
  • In-mold EPS and polycarbonate absorb and dissipate forces
  • MIPS technology helps against certain rotational forces
  • Keep cool when things heat up with 15 large vents
  • Adjustable retention system for dialing fit before you ride
  • Keep sun out of your eyes with adjustable visor

California Proposition 65


This product can expose you to chemicals including Bisphenol A (BPA), which is known to the State of California to cause cancer. For more information go to

Tech Specs
Shell Material
Impact Foam
15 oversized ventilation ports
Fit Adjustment
270-degree Boa Fit System
Recommended Use
cross-country, enduro, trail
Manufacturer Warranty
30 days



SizeHead Circumference
X-Small 20 7/8 - 21 3/8"
(53 - 54 cm)
Small 21 1/8 - 22"
(55 - 56 cm)
Medium 22 1/2 - 22 7/8"
(57 - 58 cm)
Large 23 1/4 - 23 5/8"
(59 - 60 cm)
X-Large 24 - 24 1/2"
(61 - 62 cm)
2X-Large 24 7/8 - 25 1/4"
(63 - 64 cm)


SizeHead Circumference
X-Small 20 1/2 - 21 3/4"
(52 - 54 cm)
Small 21 1/4 - 21 3/4"
(54 - 56 cm)
Medium 22 - 22 7/8"
(56 - 58 cm)
Large 22 7/8 - 23 5/8"
(58 - 60 cm)
X-Large 23 5/8 - 24 1/2"
(60 - 62 cm)


1. Measure your head size. To do this, pass a tape measure horizontally around your head at a height of about one inch above your eye- brows. When done properly, you will have measured the largest part of your head.

2. Check your measurement with the helmet sizing chart and select the closest size. As the helmet may not always meet your head size exactly, and your head measurement may fall between two sizes, first try the smaller size.


1. Expand the helmet opening by pulling outwards on each chinstrap, and slide your head into the helmet. If you are unfamiliar with helmets you may be reluctant to pull the helmet down, as it may feel too tight. Even if the helmet is difficult to put on, please use the smallest helmet possible. The helmet should feel snug. If the helmet is not tight, it is too big for you. New helmets will break in and loosen slightly over time.

2. Once the helmet is on:

  • Check that the helmet inner lining fits snugly all around your head.
  • Check that the top pad presses on the top of your head.
  • Check that the cheek pads press up against your cheeks. When you open and close your mouth, you should drag your teeth along the inside of your cheeks.
  • Check to make sure that you cannot easily slide your finger into the helmet along the side of your temple.
  • Hold the helmet with one hand on each side. Without moving your head, try to move the helmet up and down, and side to side. You should feel the skin of your head and face being pulled as you try to move the helmet. If you can move the helmet around easily, it is too big. Try a smaller size. Please note that during this check, the chinstraps should be properly fastened.


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