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Petzl Alto Crash Pad Closed
  • Petzl Alto Crash Pad Closed
  • Petzl Alto Crash Pad Open
  • Petzl Alto Crash Pad Backpack Straps
  • Petzl Alto Crash Pad Chair and Shoulder Carry
  • Petzl Alto Crash Pad Zipper Closure
  • Petzl Alto Crash Pad Foam Details
  • Petzl Alto Crash Pad Foam Layout




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With a one-piece hingeless design, the Alto offers excellent protection for bouldering falls, thanks to a triple-layer foam assembly specifically developed by Petzl for better cushioning. Its patented folding system lengthens the life of the foam and provides a storage space when the crash pad is closed. The carrying system, with its chest and waist adjustments and wide shoulder straps, provides great comfort during the approach.

Retail price

US$ 299.95

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Weight (lbs / kg)

Weight (lbs / kg)

In pounds and kilograms, the weight, as stated by the manufacturer/brand.

12.57 lbs / 5.70 kg
Fold Type Taco
Number of Foam Layers three
Foam Layout 5" closed fused with .5" closed and 3" open cell foam
Fabric Top: High-strength Cordura Ballistic Fabric
Bottom: High-strength Cordura Ballistic Fabric
Features Waist Belt
Side Handle(s)
Backpack Carry
Closing Flap
Dimensions (ft / m)

Dimensions (ft / m)

In feet and inches / meters and centimeters, the length, width, and height of the bouldering pad, as stated by the manufacturer/brand

3.87 ft x 3.28 ft x 3.90 in
1.18 m x 1.00 m x 10.00 cm
All the Features of Cirro, Alto and Nimbo Bouldering Pad
Alto Pad
Watch a tour of Petzl's facilities as they explain all the testing involved

Warning: This video is dubbed in English. If you're getting antsy, skip to section 7:40-8:15 for one of the most interesting parts, where they show a hardware specific camera inspection.

Petzl Pad Party

This video is a really similar vibe to other Petzl RocTrip videos, but it's all bouldering! The athletes/climbers are all decked out with a ton of Petzl pads, and you can see them in various configurations throughout the video. At a touch over 8 minutes I found the video to be a fantastic part of my lunch break and felt like it went by quickly (and entertainingly).

No reviews yet.

Outdoor Gear Lab Gear Review rating 4/5

This pad is best for beginner to expert level boulderers who don't carry the largest of loads but do want to carry a small to medium size load securely and at the same time use its many handy features. The solid foam in the taco-style design is good if you frequent boulders that have a lot of sharp, jagged, rocky landings since a hinge-style pad would be more apt to bottom out.