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Highlander Nap-Pak Arctic R11 Insulated Sleeping Mat R-Value 11

£99.99
By Highlander
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Free Delivery in the UK: Available on all orders over £50.

Next-Day Delivery: Available for orders placed before 3 PM with DPD (additional charges apply).

Secure Checkout: Includes theft protection for added peace of mind.

Refunds & Exchanges: Contact us within 30 days for hassle-free returns or exchanges.

Experience true four-season comfort and unbeatable value with the NAP PAK ARCTIC R11 — a ultralight, winter-ready sleeping mat engineered for warmth, comfort and packability.

• Exceptional Warmth – R-Value 11:
Tested to ASTM F3340 standards, the NAP-PAK ARCTIC delivers an R-value of 11, giving you genuine 4-season insulation and far superior cold-ground protection than most mats on the market.

• Lightweight & Packable:
Weighing in at just 900 g, and compressing down to roughly 28 × 14 cm, this mat is light enough for backpacking yet warm enough for winter camping.

• Plush Comfort – 10 cm Thickness:
The thick 10 cm baffle structure provides cushioning and insulation, helping you sleep soundly even on hard or uneven ground.

• Advanced Insulation – Triple-Layer Foil:
Inside the mat, a 3-layer aluminium foil barrier reflects your body heat back at you and blocks cold from the ground — delivering stable warmth and minimising cold spots on chilly nights.

• Supportive & Stable Surface:
Interlinked air-cell baffles ensure even pressure distribution, offering a stable and comfortable sleeping platform without lumps or sagging.

• Durable & Pack-Ready:
Built from 20D ripstop nylon and fitted with a dual-layer TPU valve (for precise inflation/deflation), the mat is both light and rugged — perfect for repeated outdoor adventures.

Why It’s a Game-Changer

Whether you’re tackling cold-weather camping, alpine treks or year-round backpacking, the NAP PAK ARCTIC R11 brings together warmth, comfort, light weight and portability in a surprisingly affordable package. It’s the kind of gear that lets you sleep warm on snow, ice or bare ground — without weighing down your pack.

 

KEY FEATURES OF THE HIGHLANDER NAP-PAK ARCTIC R11:

• R11 Insulation (ASTM F3340 standard as independently tested)
• 10cm thick baffle construction
• 3 layers Aluminium Film insulation
• Easy to inflate and deflate to fine-tune for personalised comfort
• Dual-layer TPU valve (one layer air in, 2nd layer air out)
• Rolls and packs away into a stuff sack (included)

  • SIZE + SPECIFICATIONS

    Weight 900g (without stuff sack)
    Volume: Thickness: 10cm
    Dimensions: 189 x 63 x 10cm • Pack size: 28(L) x 14(Dia)cm
    Material SHELL: 20D nylon INSULATION: 3 layers foil insulated Valve: TPU

  • Reviews

    COMING SOON

  • WHAT WE THINK

    COMING SOON

  • Weight

    900 g

  • Season Rating

    4-Season

  • R Value

    11

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Valley and Peak Promise

"The Valley and Peak promise is built on three pillars: thoughtfully curated gear, exceptional customer service, and a genuine love for the outdoors. As an independent, family-run business, we carefully select products from a wide variety of cottage gear brands and trusted names, ensuring that each item is rigorously tested and loved by our team. Our customer service is a cornerstone of our brand, offering personalised support to help you choose and care for your gear with confidence"

Jim De'Ath, Managing Director