Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
KALOOK

Reactor Fleece Sleeping Bag Liner | Thermal Boost, Lightweight, 22% Warmer

Sale price$104.41

The Sea to Summit Reactor Fleece Sleeping Bag Liner is the ultimate companion for campers and backpackers seeking extra warmth and versatility. Made from sustainable Thermolite® fabric and grid fleece, this liner increases the warmth of a 1-season sleeping bag by up to 22% and a 3-season bag by up to 10%. Lightweight and compact, it’s perfect for use as a standalone sleeping bag in warmer conditions or as an additional layer inside your existing bag for colder nights. With a technical mummy shape, drawcord hood for adjustability, and easy care design, this liner offers enhanced heat retention and sustainable construction for eco-conscious adventurers.

Up to 22% Thermal Boost for Extra Warmth

Lightweight and Packable for Backpacking and Camping

Sustainable Thermolite® Fabric Made from 100% Recycled Materials

Warm, Lightweight, and Eco-Friendly Sleeping Bag Liner for Outdoor Adventures

Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket

Boost Warmth by Up to 22%

The Reactor Fleece Liner increases the warmth of your sleeping bag by up to 22%, making it perfect for colder nights on the trail.

Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket

Sustainable and Lightweight

Made from 60% recycled Thermolite® fabric, this eco-friendly liner provides warmth without adding unnecessary weight to your pack.

Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket

Compact and Easy to Pack

Weighing just 420 g and packing down to a small 14 x 9 cm, it’s an ideal accessory for camping and backpacking trips.

Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket

Adjustable and Versatile

The drawcord hood allows you to adjust the liner for optimal warmth and comfort, making it suitable for use as a standalone sleeping bag in warmer conditions.

Boost Warmth by Up to 22%

The Reactor Fleece Liner increases the warmth of your sleeping bag by up to 22%, making it perfect for colder nights on the trail.

Sustainable and Lightweight

Made from 60% recycled Thermolite® fabric, this eco-friendly liner provides warmth without adding unnecessary weight to your pack.

Compact and Easy to Pack

Weighing just 420 g and packing down to a small 14 x 9 cm, it’s an ideal accessory for camping and backpacking trips.

Adjustable and Versatile

The drawcord hood allows you to adjust the liner for optimal warmth and comfort, making it suitable for use as a standalone sleeping bag in warmer conditions.

Reactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanketReactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanketReactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanketReactor Fleece Sleeping Bag Liner – thermal liner for added warmth in sleeping bags or as a blanket
Stay Warm with the Reactor Fleece Liner
How to Use:

Use the Reactor Fleece Liner as an additional layer inside your sleeping bag for extra warmth, or on its own during warmer nights. The drawcord hood allows for easy temperature regulation, while its compact size makes packing and carrying a breeze.

Use the Reactor Fleece Liner as an additional layer inside your sleeping bag for extra warmth, or on its own during warmer nights. The drawcord hood allows for easy temperature regulation, while its compact size makes packing and carrying a breeze.

Weight: 420 g
Max User Height: 198 cm
Packed Size: 14 x 9 cm
Fabric: 60% Thermolite® All-Season EcoMade, 40% polyester yarn
Thermal Boost: +22% for 1-season sleeping bags, +10% for 3-season bags
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