Replacement garments, cool packs, necks bands and other accessories can be found here.
Light Cool Packs are 12.5 x 5.5 x 0.5 in.
Heavy Duty Cool Packs are 15.5 x 6.5 x 1 in.
Cool Vest Standard Spare Pack Set Complete – four pieces (packs only).
Standard Cool Packs are 12.5 x 5.25 x 1 in.