Sea to Summit Thermolite Reactor Sleeping Bag Liner

£65.00

Size

Free Delivery: Available on all orders over £50.

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

Free DPD Upgrade: Orders over £250 qualify for a complimentary DPD upgrade.

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

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


THE SEA TO SUMMIT THERMOLITE REACTOR SLEEPING BAG LINER

The THERMOLITE® Reactor liner is our top selling and lightest thermal sleeping bag liner. With a mummy shape and Thermolite® Pro fabric, the Reactor Liner uses new infrared technology paired with comfortable stretch fabric to offer extra warmth, versatility, and increased insulation. The drawcord offers added flexibility for premium comfort. Best suited to cold conditions.

FEATURES OF THE SEA TO SUMMIT THERMOLITE REACTOR SLEEPING BAG LINER

  • Thermal Boost of 12% when used in a 1 season sleeping and 6% in a 3 season bag

  • Stretchy, Thermolite® Pro fabric is incredibly comfortable and utilises Infrared Technology to increase warmth without adding weight.

  • Lighter weight and more packable than fleece.

  • Technical mummy-shape and available with or without a drawstring in the hood hood

  • Easy care – machine wash with no special soap is needed. Avoid fabric softeners and dryer sheets.

  • HEIQ Fresh bio based treatment for added odour control

  • Keeps sleeping bag clean.

  • Packs into its own Ultra-Sil stuff sack.
  • Size + Specifications

    Compact
    -Size: 198 x 80cm
    -Packed Size: 7 x 15cm
    -Weight: 268g

    Standard
    -Size: 216 x 80cm
    -Packed Size: 7 x 15cm
    -Weight: 284g

  • Weight

    284 g

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