Alpine Insulated Sleeping Mat

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The Pajak Alpine Insulated Sleeping Mat strikes a thoughtful balance of low weight and reliable warmth in cold conditions.

Pajak says: 

Ultralight Sleeping Mat is designed for adventurers who prioritize weight and space without sacrifcing comfort. Its streamlined shape and advanced materials provide excellent support and insulation for a restful sleep in the great outdoors, even in winter conditions. This mat ensures you stay warm and comfortable, making it an ideal choice for cold-weather camping and outdoor activities.

Our Verdict

At 618g, the Alpine Insulated Sleeping Mat is impressively light for a mat with an R-value of 6.0. The tapered shape—narrowing from 65cm at the shoulders to 47cm at the foot—helps save space without feeling cramped. The 6.5cm thickness provided enough cushioning to smooth out uneven ground. The down insulation and the infrared reflective layer added noticeable warmth without making the mat overly bulky when packed.

Inflation with the included pump sack was straightforward, but I needed to top it up with a few breaths to get it to my preferred firmness. I liked that it deflated easily and rolled away neatly without a struggle. The Toray Airtastic fabric felt durable yet soft enough that it wasn’t noisy when I shifted about during the night.

It’s a good fit for anyone looking to keep weight down while still getting a reliable night’s sleep in cold conditions.

– Reviewed by Ultralight Outdoor Gear

Features

• Ultralight design
• Excellent insulation from the ground
• IRL insulating layer
• Included repair kit

Specifications

• Weighs: 618g (Excluding Stuff Sack)
• Dimensions: 195cm x 67cm x 6.5 cm
• R Value: 6.0 (Norma ASTM F3340-18)

Material & Construction

• Insulation: Polish White Duck Down
• Fabric: Toray Airtastic

Help & advice:

• The Ultimate Guide to Choosing an Ultralight Sleeping Mat
• Time-Saver Guide to Choosing a Sleeping Mat
• R-Value Explained