Kelty Tuck EX 40 Degree Sleeping Bag Warmer seasons need the right level of comfort in this oversized mummy bag perfect for your spring summer camping adventures ThermaPro synthetic insulation - Thermapro the perfect blend of warmth and compressibility Sleeping Bag Features: ThermaProInsulation, Comfort-Tuck Zipper System, comfort hood & natural fit pocket, Zipper draft tube Sleeping Bag Comfort Rating: 40 F / 4 C Dimensions: Fits to 7 ft, Weight 3 lbs 7 oz, Stuff Size 8 x 17 in