Crag Sender Climbing Helmet
Mammut's Crag Sender Collection consists of climbing gear specialized for modern climbing at sport crags, and the Crag Sender Climbing Helmet is lighter and more performance-oriented than most of Mammut's helmets for all-around climbing. It utilizes a hard shell for lightness and reliable durability, and EPS foam adds impact protection. You can adjust the fit with a dial that's easy to use even while climbing, and there's an adjustable chin strap and additional cushioning to ensure a snug fit.
Details
- Mammut's lighter climbing helmets specialized for sending at crags
- Hardshell backed by EPS foam and Kevlar reinforcements
- Large ventilation openings with integrated air channels
- Headlamp attachment
- Aerial wheel adjustment system and additional cushioning ensure a snug fit
- Item #MAMU51X
- Certifications
- CE EN 12492
- Fit Adjustment
- chin strap
- Ventilation
- 12 vents
- Manufacturer Warranty
- 2 years
- Claimed Weight
- 7oz
- Shell Material
- in-mold
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 56 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.Customer Images
Here's what customers have to say
This lightweight and comfortable climbing helmet is praised for its durability and breathability, making it suitable for various conditions. The adjustable fit and customizable features, such as the ratchet system and easy-to-use straps, provide a secure and personalized experience. Reviewers found the helmet to be a significant upgrade from previous models and a great value.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageSeptember 27, 2025
Great crag helmet
Super comfy, fits my big head but is still adjustable enough to fit friends' heads when necessary. The headlamp clips are also clutch. A little pricy, but worth it if you want a helmet that looks good and doesn't need to be worried about.
Originally reviewed on ExpertVoice.com
September 22, 2025
Perfect helmet at a fantastic price
Great helmet for all around climbing. Love how adjustable it is, and the multiple included padding sizes was unexpected but a huge bonus. Not only good for protecting from bumps, but it also proved to be a fantastic head pro during a huge hailstorm that chased us off the mountain. “And THATS why we wear helmets!” At flash sale price this was just too good of a deal to pass up. Would recommend and purchase again without question.
Originally reviewed on ExpertVoice.com
September 5, 2025
This is a very comfortable helmet. I forgot it it was on my head multiple times it was so light. It also looks great in photos. It has a large range in head sizes and shapes and is easily adjusted.
Originally reviewed on ExpertVoice.com
September 2, 2025
Amazing Value
Super light and comfy, this helmet disappeared on my head. Picked up two of these for me and my climbing partner to use on our first outdoor climbing adventure. We were both very happy with the fit and feel of the helmets. Both the color combinations looked really good in person. No worries having them hanging off the back of our backpacks. Exactly what I needed from a climbing helmet, and from a respected and stylish brand.
Originally reviewed on ExpertVoice.com
September 2, 2025
It's been a bit since I purchased it, but I did manage to (unfortunately) use this helmet for its intended purpose. It took a rock about half the size of my fist while I was belaying and while its useful life is now done for me, it did exactly what it needed to. RIP, thank you
Originally reviewed on ExpertVoice.com
September 1, 2025
Super light and comfortable, you forget that it’s even on.
Originally reviewed on ExpertVoice.com
August 20, 2025
Climbing Helmet
I use this as my primary climbing helmet and do not particularly love wearing helmets but, I think this one is just fine.
Originally reviewed on ExpertVoice.com
August 17, 2025
Breathable, light, safe
A great lightweight helmet that stays cool during hot days. The tightening system is easy to use, very precise, and comfortable. After using the helmet twice a week for 3 months, the internal padding has remained pristine and is showing no wear. However, as with any helmet, I recommend taking it off when applying deet bug spray because the finish on the top of my helmet is starting to peel a bit.
Originally reviewed on ExpertVoice.com
August 8, 2025
Great all round helmet, I absolutely love the tightening mechanism and it's overall comfort. It's very durable but still light enough to strap to my pack for long technical mountains
Originally reviewed on ExpertVoice.com
July 31, 2025
Highly recommend for women!
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- S/m
Purchased the s/m size after measuring my head with a tape measure. I was close to the end of the s/m but below the m/l size and I'm happy I went with the smaller size. I am female with extremely thick, curly hair. I often have trouble with baseball caps, but the helmet fit over my hair without issue. The helmet fits extremely well. It is lightweight, breathable and very comfortable. I wore it in 90+ F° with 50% humidity and barely noticed the helmet, while fellow climbers were dying to get their helmets off. We were also putting up new routes with a bunch of loose rock and the helmet took it well. I personally love the jade color. Super impressed.
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