Where to Buy
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Forget about dropping half your paycheck on a sleeping bag. The ALPS Mountaineering 35-Degree Blue Springs Sleeping Bag is a true 3-season bag with offset baffles, double-sided closure, and an included compression sack. Best of all, the Blue Springs won't gobble your food budget for the week, so you can stay out of the ramen noodle aisle and head straight for the steaks.
The ALPS Mountaineering Blue Springs +35degF mummy bag is an affordable sleeping bag suitable for backpacking in mild temperatures. Synthetic insulation offers warmth even if it gets wet. MicroX polyester insulation has a tremendous warmth-to-weight ratio and continues to insulate even when damp; you'll enjoy the lightweight, low bulk comfort it provides. Double-layer construction increases loft and eliminates cold spots. 2-way, dual side zippers (1 full-zip that extends to footbox, 1 partial-zip) allow top of bag to fold back allowing easy entry. Bag features a durable ripstop nylon outer fabric and soft polyester lining. Full-length draft tube keeps cold air from penetrating the durable 2-way zipper. The ALPS Mountaineering Blue Spring mummy bag includes a compression stuff sack. Special buy.
The Blue Springs series sleeping bags are made with MicroX+ insulation. MicroX+ Insulation consists of multiple denier staple-length fibers that have a siliconized finish for maximum insulation, loft, and compactness. It is an ultra lightweight insulation that has a tremendous weight-to-warmth ratio. The Blue Springs uses a 2-layer offset construction, sometimes called a "bag within a bag." The contoured hood and mummy shape helps seal up your warmth and keep you warmer. If you choose the 35 option, you will get a second zipper that allows you to zip the bag "half open" on each side, to allow venting or sitting up, which is a neat feature. The Blue Springs is a great backpacking sleeping bag to take along on your hikes that won't take up all the space in your pack or weigh you down.
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