CoyoteVest SpikeJacket vs. SpikeVest: Key Differences
By CoyoteVest | Published: 2026-10-17
Category: Comparisons
Compare the SpikeJacket and SpikeVest from CoyoteVest to find which protective dog gear fits your needs. Learn about warmth, fit, and trade-offs.
Quick answer
The SpikeJacket is a warmer, fleece-lined version of the SpikeVest, ideal for cold weather. The SpikeVest is lighter and more breathable for warmer conditions. Choose based on your climate and your dog's activity level.

Design and warmth
The SpikeJacket uses a similar design as the SpikeVest but adds a sewn-in polar fleece liner and a chest guard that helps keep heat inside and the elements outside. This makes the SpikeJacket a better choice for cold climates or dogs that get chilly easily.

The SpikeVest, without the extra liner, is lighter and more breathable. It provides the same stab-resistant armor but without the added insulation, making it suitable for warmer weather or active dogs that might overheat.
Fit and adjustability
Both vests are available in multiple sizes and colors. If your dog is very thick or has a deep chest, you may need the SpikeVest Waistband Extension (a 6-inch extension) to get a proper fit. This extension can also be used for the neck strap on either vest.
The SpikeJacket's chest guard adds an extra layer around the front, which may feel snugger on some dogs. Always measure your dog's girth and neck before ordering, and consider the extension if the standard waistband doesn't reach.
Trade-offs at a glance
- Warmth vs. breathability: The SpikeJacket has a fleece liner and chest guard for warmth. The SpikeVest is lighter and more breathable. Choose SpikeJacket for cold weather; SpikeVest for warm weather or active dogs.
- Weight and bulk: The SpikeJacket is heavier due to the extra fleece layer. The SpikeVest is lighter and less bulky. If your dog is small or sensitive to weight, the SpikeVest may be more comfortable.
- Fit customization: Both vests can be fitted with the SpikeVest Waistband Extension for thicker dogs. The SpikeJacket's chest guard adds an extra layer around the front. Measure your dog carefully and consider the extension if needed.
Product facts
- SpikeJacket: The SpikeJacket uses a similar design as our popular SpikeVest but it's been greatly enhanced to not only help keep your dog safe but also keep your dog warm when it's cold outside. What sets it apart from the SpikeVest is the sewn in polar fleece liner and a chest guard that helps keep the heat inside and the elements outside. If you live in a cold area or your dog gets cold easily, the SpikeJacket provides both protection and warmth in one garment.
- SpikeVest Waistband Extension: This is a 6" extension that can be used when the waistband on the SpikeVest does not reach far enough (dog is very thick). This extension can also be used for the neck strap. For dogs with a deep chest or thick build, this extension ensures a secure and comfortable fit on either vest.
Which one should you choose?
Best for
- Dogs that need warmth and protection in cold climates
- Owners who want an all-in-one protective and insulating vest
Not ideal for
- Dogs that overheat easily or live in warm climates
- Owners who prefer a lighter, more breathable vest for active use



