A lightweight (7 oz), strong, sling bag to wear over one shoulder.
I used a pattern for a Summit Pack by Cloudsplitter and omitted all of the interfacing that would be used in a cotton bag.
Required Materials:
1/2 yd 210D hdpe Gridstop for back and bottom 1/2 yard 210D Robic ripstop nylon exterior 1/2 yard supplex for lining 2 #3 zippers (7-8 inches) for interior and back pockets 2 #5 coil zippers (13 and 16 inches) for main opening and front pocket Pellon foam for back and device pocket Metal strap hardware