First Choice Armor's, now from Diamondback Tactical, K-9 Cooling Vest is designed to cool a dog in training. The fabric carrier, made of fire-retardant Banox with quilted Thermolite insulation with reinforced outer binding, provides full stomach, chest and back coverage. Cool packs are made from non-toxic material that is safe even if ingested. Micro-mesh pockets provide maximum body heat absorption for this vest which is available in blue, red, yellow and orange.