Sea to Summit Comfort Deluxe Self Inflating Sleeping Pad

The Sea to Summit Comfort Deluxe Self Inflating Sleeping Pad is a high-R-value car camping and overlanding mat built around Air Frame construction, a cross-core foam design that delivers a stable, bounce-free sleep surface with an ASTM F3340-tested R-value of 7.7. A stretch-knit top fabric, XPEL valve, and pump-sack stuff sack make setup and packdown straightforward at camp. Two sizes are available: Regular Rectangular Wide (183 x 64 x 10 cm) and Large Rectangular Wide (198 x 76 x 10 cm).

Stable Where Other Foam Pads Bounce

Air Frame construction uses both longitudinal and transverse cross-cores through the polyurethane foam core. That internal structure resists the lateral bounce common in standard self-inflating mats, so movement on one side of the pad does not transfer across the surface. For overlanders and van-lifers spending consecutive nights in the same setup, a stable sleep surface reduces the fatigue that accumulates from poor rest on uneven ground.

R-Value 7.7: Tested to the ASTM F3340 Standard

The Comfort Deluxe Sleeping Pad carries an R-value of 7.7, measured under the ASTM F3340 protocol, the same independent lab standard used across the sleeping pad industry since 2020. A higher R-value means more resistance to heat conducted from your body into cold ground. At 7.7, this pad is suited to cold-weather camping where ground temperatures drop significantly overnight, without requiring a separate insulating layer beneath the mat.

Fast Inflation, Compact Deflation

The stuff sack doubles as a high-volume Airstream HV pump sack: fill it with air, attach it to the valve, and the mat tops up quickly without mouth inflation. The XPEL valve integrates a one-way inflate port, a deflate port, and a fine-tune button in a single low-profile unit. To deflate, the valve flips over, converting the inflate port into a one-way deflate port so the mat cannot draw air back in as it is rolled. The side-loading stuff sack (included with 2026 Sea to Summit self-inflating mats) lets you drop in a rolled mat from the side rather than forcing it in end-first.

Features

• Air Frame construction: longitudinal and transverse cross-cores reduce bounce and improve stability
• Stretch-knit top fabric: conforms to body contours and reduces pressure points
• XPEL valve: single unit with inflate port, deflate port, and fine-tune button; flip to switch modes
• Airstream HV pump sack: stuff sack doubles as a high-volume pump for fast, no-mouth inflation
• ASTM F3340 R-value 7.7: independently lab-tested resistance to ground heat loss
• Bluesign APPROVED, non-PFAS, solution-dyed recycled fabrics: 75D woven polyester base; certified recycled and solution-dyed throughout

Specifications

Who This Is For and Isn't

The Comfort Deluxe Self Inflating Sleeping Pad suits overlanders, car campers, and van-lifers who prioritize a stable, well-insulated sleep surface and are not weight-constrained. The R-value of 7.7 makes it a capable choice for cold-ground conditions, and the wide rectangular shape accommodates side sleepers and those who move during the night.

This pad is not designed for backpacking or weight-sensitive travel. Packed weight starts at 1970 g for the Regular size. Sea to Summit Coupler Loops are not compatible with the Comfort Deluxe mat; the pad exceeds the 8 cm thickness limit those loops are designed for. The Double size is not carried in this listing.

Common Questions

How do I inflate the Comfort Deluxe Sleeping Pad for the first time?

The Comfort Deluxe Self Inflating Sleeping Pad ships vacuum-packed from the factory. For first use, open the valve and leave the foam to unstick and expand on its own. This may take some time. On subsequent uses, the mat will self-inflate to atmospheric pressure; use the included pump sack attached to the valve to top it up to your preferred firmness.

How should the Comfort Deluxe Sleeping Pad be stored between trips?

The Comfort Deluxe Self Inflating Sleeping Pad should ideally be stored unrolled with the valve open, laid flat under a bed if space allows. If space does not allow that, store it loosely rolled with the valve open. Storing the mat compressed for extended periods can affect the foam's ability to self-inflate fully.

Will Sea to Summit Coupler Loops work with this pad?

No. Sea to Summit Coupler Loops are designed for mats up to 3 inches / 8 cm thick. The Comfort Deluxe Self Inflating Sleeping Pad exceeds that thickness, so Coupler Loops will not function correctly with it. Campers wanting a joined double-width surface should consider the Comfort Deluxe Double size instead, which is not carried in this listing.

How do I locate a leak in the Comfort Deluxe Sleeping Pad?

To find a leak in the Comfort Deluxe Self Inflating Sleeping Pad, inflate the mat fully, then soak the surface in sections using soapy water. Bubbles forming on the surface indicate the location of air loss. Work in sections so the entire surface can be checked systematically.