Sea To Summit Comfort Plus Insulated ASC L Self-Inflating Sleeping Mat

The Sea To Summit Comfort Plus Insulated ASC L is a premium self-inflating sleeping mat designed for 3-4 season camping. Featuring dual-layer Air Sprung Cells™ and THERMOLITE® synthetic insulation, it delivers exceptional comfort and warmth with an R-Value of 4.7 (ASTM F3340-18). The 40D nylon ripstop fabric ensures durability, while the multi-function valve with one-way inflation allows easy setup. The integrated Airstream™ Pump Sack reduces inflation effort, and the PillowLock™ system keeps your pillow in place. A repair kit and antimicrobial treatment add to its reliability.

Advantages

Superior insulation and comfort for cold-weather camping. The dual-layer construction provides excellent support and stability. Lightweight and compact when packed, making it ideal for backpacking. The included pump sack saves time and energy during setup.

Suitable for

• Backpacking and trekking
• Car camping
• Mountaineering and alpine expeditions
• 3-4 season use

Key specifications

• R-Value: 4.7 (ASTM F3340-18)
• Construction: Dual-layer Air Sprung Cells™
• Insulation: THERMOLITE® synthetic
• Fabric: 40D Nylon Ripstop
• Inflated dimensions: 201 x 64 x 6.3 cm
• Packed dimensions: Ø17 x 26 cm
• Weight: 1.1 kg
• Valve: Multi-function with one-way inflation
• Integrated pump: Airstream™ Pump Sack
• Pillow attachment: PillowLock™ system
• Shape: Rectangular
• Number of air cells: 696
• Repair kit included: Yes
• Antimicrobial treatment: Yes

Recommendations

For optimal performance, pair with a Sea To Summit pillow and use the included repair kit for field repairs. Store in a dry place when not in use.