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Item # KSK000J

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Item # KSK000J

Channel your inner dinosaur.

Like a T-Rex crashing its way through the forest after an elusive snack of prey, bomber enduro runs often mean tarrying on the ragged edge and within millimeters of any number of obstacles that may or may not yield when you hit them. The new Kask Rex Helmet is there to protect your dome through it all so you come out of it with a clear mind, a bit of adrenaline, and a few scratches for future battle scar comparisons — dinosaur bites notwithstanding.

The Rex features Kask's MIT technology, which is found in all its helmet offerings and includes a polycarbonate layer covering the shell at the top of the helmet, along the base ring, and across the back for claims of improved safety and protection compared to helmets without this layer. Kask uses an in-mold process to fuse the inner, extruded polystyrene layer to the polycarbonate shell for excellent structural integrity and shock absorption. Inside the helmet, the plush Coolmax padding sitting comfortably against your noggin is removable and washable for long-term, stink-free use.

Borrowing from Kask's road line of helmets, the Rex's chinstrap is fashioned from easy to clean eco-leather for a unique pop of functional style. An adjustable visor protects your forehead from branches and debris, and doubles as a convenient shelf for goggles during shady stretches and long climbs. The Rex features a strap retainer on the back of the helmet for additional goggle security, and an integrated action camera mount makes documenting the adventure a breeze.

Tech Specs

Shell Material:
In-mold (polycarbonate)
Impact Foam:
in-mold EPS
Ventilation:
12 vents
Fit Adjustment:
Octo Fit
Visor:
yes, adjustable
Full Face:
no
Certifications:
CE EN 1078, CPSC 1203, AS/NZS 2063
Claimed Weight:
270 g
Recommended Use:
all-mountain, enduro, trail
Manufacturer Warranty:
limited lifetime

Size chart

Kask

Helmets
Vertigo, K50 EVO, K50 MTB
M L
Head Circumference18.9-22.8in
(48-58cm)
23.2-24.4in
(59-62cm)
K10 MTB, K31 Crono, K10 Race
One Size
Head Circumference20.9-24.0in
(53-61cm)
How to Measure:
Measure around your head where your hat would fit comfortably.

Reviews & Community

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Comfy and light!

  • Familiarity: I've put it through the wringer

The Kask Rex is hands down the most comfortable, well thought out helmet that I've ever owned. I've tried all of the top major brands and Kask nailed it with the Rex! It's very lightweight with a slim less bulky profile than many other brands. In the past I've had a difficult time getting the helmet to sit down on my forehead but still provide good coverage in the back and the OctoFit works perfectly. This is the first helmet I've seen with the amount of adjustability they offer. Well done!The Kask Rex is hands down the most comfortable, well thought out helmet that I've ever owned. I've tried all of the top major brands and Kask nailed it with the Rex! It's very lightweight with a slim less bulky profile than many other brands. In the past I've had a difficult time getting the helmet to sit down on my forehead but still provide good coverage in the back and the OctoFit works perfectly. This is the first helmet I've seen with the amount of adjustability they offer. Well done!

Comfortable

  • Familiarity: I've used it several times

4 stars and not 5 only because of sweat displacement. They claim that the forehead pad keeps sweat off of the eyes, and while this does a better job than any other helmet I've owned, I still get an occasional bead running straight down my face. Other than that this is an incredible helmet with great features. The GoPro buckle on top is nice when used and almost unnoticeable when unused. The flip up and removable visor is great. The chin strap is extremely comfortable and the included bag is a nice touch to keep your helmet nice.

Avg. ride time: 1h 35m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Rounder heads prevail

  • Familiarity: I returned this product before using it
  • Fit: True to size

I wanted to love this helmet so bad!
Good weight, great retention system, well ventilated and the coverage I needed. Plus I really wanted a blue trail helmet.
All that aside, I have a slightly more oval head and although this helmet fit, it is definitely better suited to those riders with a rounder noggin. I found the fit to be similar to the TLD A1 helmet as far as shape, just wasn't for me, but if you have a rounder head, this helmet should be at the top of your list.

Avg. ride time: 1h 23m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Impressive Ventilation

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size

While I haven't been able to spend much time on the Rex helmet, it was apparent that they took ques from their road helmets to bring good ventilation over to a MTB helmet. As far as comfort, the padding on the Rex is thicker than most making it quite plush and comfortable. I found the Go Pro mount to actually be quite slick with this helmet. It sits low in the helmet making it not stick up as high, and be secure. The downside is that I had to have the bolt tension tight prior to snapping the mount in since I could not adjust it once installed on the helmet. It certainly wasn't a deal breaker though. All in all the Rex seemed like a good helmet providing ample protection in a lightweight, comfortable package.

Impressive Ventilation
Avg. ride time: 1h 23m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Kask Rex