Flex 3R Foam Sleeping Pad
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With a full 1.2-inches of foam, Flex 3R is our thickest, most-comfortable closed-cell foam mat. It is highly versatile for standalone use and will increase warmth and puncture protection for inflatable sleeping pads.
When layered underneath your inflatable mat, Flex 3R’s R-value of 2.8 can boost a 3-season sleeping mat to all-season efficiency. The folding form is quick to deploy and folds up tidy for attachment to a backpack or bike.
Features:
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Extra thick
1.2" of foam (vs. < 1" in classic foldable foam pads) for added insulation from the ground in cold conditions.
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Rapidly deployable
Incredibly quick & easy to unfold and set up.
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Eco-friendly
Made from high quality, eco-friendly IXPE foam.
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Highly versatile
For standalone use or puncture protection & increased thermal performance when layered underneath an inflatable sleeping pad.
Specifications:
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R-Value 2.8 |
Insulation Performance 3-Season |
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Dimensions M: 72 x 20.5 x 1.2 in |
Weight M: 1 lb 2 oz |
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Packed M: 20.5 x 7.9 x 5.9 in |
Materials:
- Closed-cell IXPE foam, DWR free
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PFAS Free: This product is free of per- and polyfluoroalkyl substances, a family of non-degradable, man-made chemicals commonly used as dirt and water repellants.

