Diy Hunting Pack Frame . Padded waist belt and shoulder straps give you ultimate comfort for long hikes. 5” x 3” x 20.5” frame size. OX FRAME Packs GEAR Hunting packs, Backpacks, Hunting accessories from www.pinterest.com A pack frame has to be durable enough to. This will make your frameless pack more comfortable, transfer load to your waist belt and help keep your back dry. I'm a fan of 1/8 thick for a frame sheet, but my uncle, who i'm building the pack for isn't going to be packing any meat with the pack.