We have 1,2,3,4 and 5 season ratings Login Register Contact Us The zip is down the top centre of the sleeping bag which was a bit strange. (Of note the zip does not go right down to the bottom of the bag and there is a bit of a gap between the bottom of the zip and the fabric of the bag.) It works fine - especially when it too hot to sleep ‘zipped up’. Amazon's Choice for "small sleeping bag" BESTEAM Agemore Ultra-light Warm Weather Rectangular Sleeping Bag, 75" L x 30" W, Outdoor Camping, Backpacking & Hiking - Fit for Kids, Teens and Adults - Spring, Summer & Fall - Waterproof & Compact Lightweight Sleeping Bags | Compact Travel 1,2,3 and 4 season Our lightweight travel sleeping bags are made to pack down extremely small and are lightweight making them ideal for travelling. More compact and lightweight sleeping bags are ideal for more extreme adventures such as hiking, trekking and mountaineering as well as cycling and biking when packing small is a top priority! SWTMERRY- Sleeping Bag 4 Seasons (Summer, Spring, Fall, Winter) Warm & Cool Weather - Lightweight,Waterproof Indoor & Outdoor Use for Kids, Teens & Adults for Hiking, Backpacking … It packs down very small.