Ultimate protection meets the ultimate warmth with this Fleece Liner. This cozy polar fleece layer works beautifully on its own or teams up perfectly with your SpikeVest! Material: polar fleece Easy to put on and put off with Velcro closure Warm yet breathable to ensure that your dog is warm and comfortable in colder climates! Reflective collar trim design The Fleece Liner works as a standalone layer or beneath your CoyoteVest or SpikeVest. Please consult both our recommended sizing notes and the dedicated sizing chart for this vest. Note: Use the dedicated Sizing Chart for the Fleece Liner, as dimensions differ from our stab-resistant vests. Fleece Liner Size Back Length in. Chest in. Works with SpikeVest Size X-Small 10.2 12.6 - 17.4 Mini (mid to larger size range) and X-Small Small 12.2 15.8 - 19.6 Small Medium 14.2 18.1 - 23.7 Medium Large 15.4 22.8 - 26.8 Large (Smaller Range) X-Large 16.9 23.6 - 28.2 Large (Small to Mid Range) XX-Large 18.5 26.7 - 31.5 Large (Mid to Large Range) X-Small Fleece: size works well with our Mini and X-Small SpikeVest Small Fleece: size works well with Small SpikeVest Medium Fleece: size works well with Medium SpikeVest Large Fleece: size works with the Large SpikeVest if your dog is in the smaller size range of our SpikeVest size guide. X-Large Fleece: size works with the Large SpikeVest if your dog is in the smaller to mid size range of our SpikeVest size guide XX-Large Fleece: size works with the Large SpikeVest if your dog is in the mid to large size range of our SpikeVest size guide Please Note: X-Small Fleece liner may be a bit large if your dog is on the smaller size range for our Mini SpikeVest however the SpikeVest will help keep it fitting nice and snug when placed on.