Highlander Nap-Pak Arctic R11 Inflatable Sleeping Mat

The Highlander Nap-Pak Arctic R11 is a high-performance inflatable sleeping mat delivering true 4-season insulation with an exceptional, ASTM F3340-tested R-value of 11. It is engineered for cold weather, winter camping and expedition use where dependable warmth matters most.

A 3-layer aluminium foil system reflects body heat while a 10cm air-cell baffle construction spreads weight evenly for comfort on frozen or uneven ground. At just 900g with a 28 x 14cm packed size, the ripstop nylon mat is backed by Highlander's lifetime (282-year) guarantee.

Key Features

• Exceptional R-Value of 11 - Genuine 4-season insulation in extreme cold
• ASTM F3340 Tested - Verified to recognised industry insulation standards
• 3-Layer Foil Insulation - Maximises warmth-to-weight efficiency
• 10cm Air-Cell Construction - Comfort and strong separation from cold ground
• Lightweight at 900g - Low weight for its insulation class
• Durable Ripstop Nylon - Built for repeated demanding outdoor use

Ideal For

• Winter Camping - High R-value insulation for freezing ground
• Expeditions and Cold Environments - Reliable thermal protection in extreme climates
• Military and Tactical Use - Suited to cold-weather deployments and field camps
• Backpacking and Trekking - Compact, lightweight warmth for multi-day trips

Technical Specifications