Nemo Tempo Mens 20 Endless Promise Sleeping Bag Sleep Well, Leave Less Behind Side sleepers who camp often know the frustration of a bag that forces you into one position all night. The Tempo solves that with the Classic Spoon(R) shape, which gives you extra room at the elbows and knees so you can shift positions naturally without fighting the bag. The Zerofiber(TM) 650 synthetic fill keeps you warm even if things get damp, and the whole bag is part of the Endless Promise(R) collection, meaning it's designed for total recyclability at the end of its life. Features Classic Spoon(R) shape generous cut at elbows and knees for side-sleeper comfort and natural movement Zerofiber(TM) 650 synthetic insulation 100% post-consumer recycled fill that stays warm when wet and packs down small Blanket Fold(TM) draft collar blocks cold air at the neckline and adjusts quickly for shoulder-season temperature swings Endless Promise(R) construction 50D 100% recycled polyester ripstop and taffeta shell; fully recyclable at end of life | Nemo | Tempo Mens 20 Endless Promise Sleeping Bag | Polyester