Cascade Alpinism

Cascade Alpinism

Friday, November 1, 2024

MYOG #1 - Sleeping Pads

 Sleeping pads are probably the most easily customizable piece of gear but I don’t see people doing it as often as you’d think. Closed cell foam customizations are obviously common. Depending on how much you value weight or sleep, you will cut it down to different lengths. Personally, I cut my Thermarest Z-Lite SOL into a 6 piece and 8 piece section. This 6 piece spans between by hip and shoulders, leaving my head to find a pillow and the rest of my body to lay on my backpack. My backpack has a removable foam back panel so this is efficient for me. I use the 8 piece section when I still want the weight savings of a short foam pad yet want just a little more comfort. Scissors or a razor blade works great for this. Just cut it along one of the folds and it will be good as new.

The other less common customization is of inflatable pads. It’s fair to be scared of cutting a gaping hole into your $200 pad but it works. To cut an inflatable pad, lie on it while inflated and mark the seam where you want to cut. Then, cut almost at the next seam . Don’t cut right at the seam or the inner insulation will be connected at the cut. Practice this at a lower portion of the pad to understand a little more of what I’m talking about. Now you should have the fabric and disconnected inner insulation. Either push the insulation into the bag or cut it, then iron the two pieces of shell fabric together at the highest heat. This will hold the air and work great. 



I did this recently for the first time. I found a neoair x-lite NXT with a leak at wonderland gear exchange for $15. It was too big anyways so I cut it down. Luckily, the leak was on the part I had cut off so for $15 and less than an hour of work, I got a light, well sealed pad. Obviously thermarest probably doesn’t recommend this but it’s worked for many people including me. I know Steve House would approve.


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