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100% Polyester
BEST USE: Sea to Summit’s warmest knitted sleeping bag liner that adds up to 25°F / 15°C of warmth to a sleeping bag for those seeking maximum, compact warmth
MATERIAL: Heavier weight Thermolite hollow core polyester knit material traps heat and offer extraordinary insulating properties. The fabric is soft and stretchy, wicks moisture, is quick to dry and easy to wash. The Extreme can be used a ‘stand alone’ sleeping bag in warmer conditions.
FEATURES: Mummy shape with a box foot. Drawcord hood with mini cord lock. Helps keep your sleeping bag cleaner for longer
PACKABLE: More compact and lighter weight than fleece. Weighs only 13.9 oz. Includes its own Ultra-Sil stuff sack. Packed Size: 6.5 x 4.5 in
SPECS: Overall length: 6 10". Width at shoulder: 36". Width at Feet: 24".
Sea to Summit Reactor Insulated Sleeping Bag Liner