REI Polar Pod
Living up to REI's claim of being feature packed and bargain priced, this synthetic filled sleeping bag provides exceptional warmth and minimal weight. Notable features include two-way locking zipper sliders that stay in place when you zip the bag partially open for ventilation, a Tactel shell that is quick drying and abrasion resistant and sleeping pad loops to prevent the Polar Pod from rolling off in the middle of the night. The average cost as of 2009 is $89.
Rei.com
Eureka Copper River
Ideal for camping in the spring, summer or fall, the Copper River 30 features a soft polyester taffeta lining, inside stash pocket for your mp3 player or glasses and polyester mini ripstop shell. Filled with ThermaShield synthetic for warmth down to 30 degrees, this sleeping bag is not only durable but a steal as well. The average cost as of 2009: $64.99
eurekatent.com
Kelty Mistral 20
Offering reliable comfort for budget conscious campers, the Mistral 20 offers many quality features. Filled with Kelty's own Cloudloft synthetic for exceptional warmth and double nylon ripstop shell, the Mistral is dependable and comfortable. Additional features include sleeping pad security loops, two-way locking blanket zipper, added insulation over the chest area, and ground-level side seams to prevent heat from escaping. The average cost as of 2009: $54.95
kelty.com
Marmot Trestles 30
Reliable even in the coolest and dampest conditions, the Trestles 30 comes filled with SpiraFil insulation for high loft and warmth. Designed with a classic trapezoidal foot box for added room and a Velcro-free face muff to keep the draw cord and zipper away from your face, this bag offers a reliable bag at a bargain price. The average price as of 2009: $89.
Marmot.com