One of the best sources for gear knowledge is your local outfitter. They should help you find just the right piece of gear and help with any sizing issues. They usually also offer great recommendations for local hikes.
Choose a State
Local Arizona Camping Stores
Aspen Sports, Inc.
15 North San Francisco Flagstaff, AZ 86001 (520) 779-1935
Canyon Outfitters, Inc.
2701 West Hwy. 89a Sedona, AZ 86336 (520) 282-5293
Granite Mountain Outfitters
320 W Gurley St Prescott, AZ (928) 776-4949
Peter Glenn Ski & Sports
5626 East Broadway Blvd. Tuscon, AZ 85711 (520) 745-4514