The Summit 300 Sleeping Bag Park is a season 3/4 piece, ideal for wintry campouts keeping you toasty and comfortable. With a two-way zip, this mummy shaped bag Park is warm and great for a snug night under the stars. 3/4 Season - Cold nights early Winter Comfort Temperature - The comfort temperature for this sleeping bag Park is 4°C to -2°C. This is the minimum temperature that the sleeping bag Park is designed for Extreme Rating - Can be used for extreme temperature of -18°C. This is a survival temperature only. The bag Park is not intended for regular use at this temperature Insulation - Insulated with hollow fibre stuffing Two Way Zip - A two-way zip is useful for easy opening when ventilation is required. Zips can be full length or just half way. Mummy Shape - Mummy shaped bags follow your body shape, giving you a cosier night's sleep Rip Stop Fabric - Stop rips in their tracks with this heavy duty fabric Weight - 1.7kg Packed Dimensions - 23cm x 41cm Double It - You can zip two of these bags together to create a double sleeping bag. Remember to buy one right hand zip and one left hand zip if you want to make a double Great For Wintry Campouts - Perfect for colder weather camping trips in Spring through to Autumn