9 imagesSea to Summit Ultralight SI Mat-Small
Sea to Summit Ultralight SI Mat-Small
Sea to Summit Ultralight SI Mat-Small
Sea to Summit Ultralight SI Mat-Extra Small
Sea to Summit Ultralight SI Mat, Orange, Regular, 966
Sea to Summit Ultralight SI Mat-Large
Sea to Summit Ultralight SI Mat, Orange, Regular, 966
Sea to Summit Ultralight SI Mat, Orange, Regular, 966
Sea to Summit Ultralight SI Mat, Orange, Regular, 966
Sea to Summit Ultralight SI Mat, Orange, Regular, 966
Sea to Summit Ultralight SI Mat, Orange, Regular, 966

Product No Longer Available

Unfortunately Sea to Summit Ultralight SI Mat is not listed by CampSaver.You can also explore other items in the Camp & Hike, Pads, Cots & Hammocks, Sleeping Pads, Backpacking Pads yourself to try and find the perfect replacement for you!

Product Info for Sea to Summit Ultralight SI Mat

For the ultralight enthusiast, the Ultralight Self Inflating mat will add the promise of comfortable sleep to your pack, without a lot of weight or bulk. Delta Core-V technology is used to remove small sections of foam without sacrificing comfort. The silicone grip print embossed on the mat ensures you and your sleeping bag stay on the mat. For the ultralight adventurer, pack up is super easy with the patent-pending multi-function valve that allows you to roll up the mat without air trying to sneak back in as you go. Ideal for gram counters who like to sleep comfortably.image

Our blog post "Which Mat Should I Choose" has some helpful tips on picking the perfect air mat (or reasons why you might prefer a Self-Inflating mat).

Features of Sea to Summit Ultralight SI Mat

  • R-Value of 2.6 - Sufficient warmth for late Spring to early Fall camping. Click here to learn about the new ASTM R-Value test standard.
  • Flip-over multi-function valve for fast and easy inflation, deflation and fine-tuning of air pressure
  • Woven 30D polyester face fabric chosen for its lightweight and strength
  • Silicone print prevents your sleeping bag from slipping on the mat, or the mat slipping on the tent floor
  • Utilizes Delta Core-V technology, which keeps body contact areas warmer while still offering great support and packability
  • Supplied PillowLock patches keep your Sea to Summit pillow firmly attached to the mat
  • Size XS available for minimalists use your pack under your lower legs for a super-packable, relatively low-cost ultralight sleeping solution

Package Contents:

  • Sea to Summit Ultralight SI Mat
Customer Reviews for Sea to Summit Ultralight SI Mat Read All (1)
Helpful Positive Review
by Taras, Verified Owner from DE, United States Updated on May 8, 2025
To inflate you can just hold the clever one-way valve open and let the mat inflate, or as i do give it a few puffs to fully inflate. And to deflate I flip the valve lid over to reverse flow and squeeze and suck the air out. It rolls and packs up into a reasonably small pack (about 1ltr bottle size) In use the mat doesn't lose air, and the foam cells and air trap warmth very we...
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Sea to Summit Ultralight SI Mat Unavailable & Discontinued Models

List of Unorderable Models

  • Sea to Summit Ultralight SI Mat, Small , MPN: 965S , UPC: 9327868066964 , Code: Z02-SLP-STS0223-367735
  • Sea to Summit Ultralight SI Mat, Extra Small , MPN: 964XS , UPC: 9327868066957 , Code: Z02-SLP-STS0223-367733
  • Sea to Summit Ultralight SI Mat, Orange, Regular, 966 , MPN: 966 , UPC: 9327868066971 , Code: Z02-SLP-STS0223-966
  • Sea to Summit Ultralight SI Mat, Large , MPN: 967L , UPC: 9327868066988 , Code: Z02-SLP-STS0223-367739
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