Each side is double layered neoprene, realtree Hardwoods. The left side (shown) has a zipper to keep stuff in, TP, small first aid kit, key chain light, matches, spare string (don't get me started..).. The Zipper disappears into a pocket to keep it quiet.
The right side is the same, except the zipper is on the inside. To access it the whole thing needs to be removed from the crossbow. In that zipper sits other stuff that won't be used unless there is a bit more of an emergency than a bowel movement. Water proof matches, wire saw, stepped up first aid, small knife, flint, garbage bag...
The whole thing weighs very little, and makes for an extremely comfortable shooting position against the cheek, especially in the cold...
Here is a picture with it on, and with it off.


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