The Summit 300 Sleeping Bag is a season 3/4 piece, ideal for wintry campouts keeping you toasty and comfortable. With a two-way zip, this mummy shaped bag is warm and great for a snug night under the stars. Season 3/4 - This is suitable for snowy environments and very cold winter temperatures, with an extreme rating of -18 degrees Comfort Temperature - -2 – 4 degrees. The ‘comfort’ temperature is the minimum temperature that a sleeping bag is designed for Extreme Temperature - The extreme temperature is a survival only rating for a ‘standard’ adult woman. It is not advisable to rely on this rating for general use.
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