Bronson Shorts - 11 Inseam 35 - Mud. The durable and stretchy prAna Bronson Short is an all-purpose adventurer's dream come true. Casual everyday styling hides triple stitching and reinforced details intended to hold up to heavy-duty action. A full inseam gusset and touch of spandex are added to organic cotton to provide the range of motion you need for veering off the trail and up the nearest rock.