Remove the 'compact' requirement by bunjeeing the bag to the top of your sac (and the mat to the side). I'v a sac with no top straps, or attachement points. But bunjees can reach over the top to hook on the straps.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.