Half Frame SackA Half Frame Sack is the most versatile of all the Frame Sacks. Ample storage that is out of the way and still allowing you to keep both your bottles! Great for everyday tooting around town, to big gravel days, to multi day bikepacking trips. All Half Frame Sacks come standard with the following features Two pockets standard! One main compartment on the drive side and one map pocket on the non drive side Fully lined in bright colored weather resistant