Our Cedar Flex Shorts offer you the ultimate working mix of strength, durability, and mobility.Our Cedar Flex Shorts offer you the ultimate working mix of strength, durability, and mobility. The 13 oz. 96% Cotton / 4% Spandex twill weave allows for an incredible range of movement while still giving you all the durability you need. Most other stretch work shorts are 8 oz. cotton. The Cedar Flex Shorts are the first true, heavy-duty work shorts at 13 oz. cotton. These shorts also offer plenty of storage space, with front pockets featuring a ledge to hang a knife or tape measure, rear patch pockets, signature utility front pocket and a rear utility welt pocket that fits most phones. If durability and mobility are #1 and #1.01 on your list of importance, these shorts are for you.