The Skye 450 Mummy Sleeping Bag is an envelope style sleeping bag combined with the warmth and hood of a mummy bag. 4 Seasons Sleeping Bag Pack Size: 46 x 27 x 27cm Size: 220 x 80 x 50cm Weight (kg): 2.4000 Material: 290T ripstop polyester Lining: 210T polyester pongee Filling: 450gsm QFX spiral hollow fibre Warm and comfortable Soft lining fabric Full length 2-way zip and baffle Compression stuff sack Foot box Comfort rating: -9C Lower limit rating: -16C