Self-Inflating Foam Sleeping Mat Rectangular Regular - Warm 4-Season

In this review the Sea to Summit Camp Plus Self-Inflating Foam Sleeping Mat proves itself as a solid choice for campers who want a durable, warm pad without the fuss of constant inflation. Its single biggest selling point is the combination of a 3-in foam core with an innovative coring pattern that balances insulation and compact packing, so it performs well from late spring through winter camping trips. The mat's multi-function reversible valve makes setup and packup straightforward, and included PillowLock patches and a stuff sack add useful finishing touches.

Key Features

• 3 in foam thickness: Provides a noticeably cushioned sleep surface that isolates the body from uneven ground and reduces pressure points for a more comfortable night.
• 4.3 R-Value insulation: Ensures warmth across most cold conditions, making the pad suitable for three-season use and many four-season situations.
• Multi-function reversible valve: Speeds inflation and allows one-way deflation and fine pressure adjustments to match personal comfort preferences.
• Innovative coring technique: Keeps body contact areas warm and supported while reducing overall bulk so the pad still packs down reasonably small.
• Durable 75D polyester face fabric: Feels comfortable against the sleeping bag and stands up to repeated use, while a field repair kit helps handle accidental damage.
• Packed size and extras: Packs to roughly 8 x 13.4 in and includes a stuff sack and PillowLock patches to secure a pillow to the mat.

Who It's For

This pad is best for car campers, basecamp hikers, and winter or shoulder-season campers who want an insulated, comfortable sleep surface without relying solely on air for support. The 3-in foam and 4.3 R-Value make it a practical choice for those who value warmth and durability over absolute minimum weight.

Backpackers chasing ultralight gram-counts should look elsewhere, as at 2.7 lb some will consider it heavy for long treks. Also, users wanting a very narrow or very wide pad should note this model is the Rectangular Regular 72 x 25 x 3 in size.

Pros & Cons

Pros

• Comfortable 3-in foam thickness gives supportive, pressure-relieving sleep.
• High insulative performance from the 4.3 R-Value keeps sleepers warm in most cold conditions.
• Multi-function valve makes inflation and quick deflation easy and user friendly.
• Durable face fabric and included repair kit increase long-term reliability.

Cons

• Packed weight of 2.7 lb may be heavier than ideal for ultralight backpacking.
• Size and pack dimensions draw mixed reactions; it packs down small for a foam mat but is still bulkier than inflatable-only pads.

Specifications

Brand	Sea to Summit
Model	Camp Plus Self-Inflating Foam Sleeping Mat
Size	Rectangular - Regular 72 x 25 x 3 in
Packed dimensions	Approx 8 x 13.4 in
Weight	2.7 lb
R-Value	4.3
Face fabric	Durable 75D polyester

Our Verdict

The Camp Plus self-inflating foam mat is a dependable, well-built option for campers who prioritize comfort and insulation over ultralight pack weight. Its 3-in foam and 4.3 R-Value deliver warmth and support, while the reversible valve and durable fabric make it easy to use and long lasting, offering clear value for car campers and cold-weather adventurers.

Frequently Asked Questions

Is this pad suitable for winter camping?
Yes; the 4.3 R-Value and 3-in foam make it appropriate for most cold-weather camping, though extreme alpine conditions may require additional insulation.

How do I inflate and pack the mat?
Use the multi-function reversible valve to let air in for firm support and open the one-way deflation for quick packup, then compress and roll into the included stuff sack.

Can I attach a pillow?
Yes; PillowLock patches are included to secure a Sea to Summit pillow to the mat.