Luna’s Jacket – Free Dog Jacket Knitting Pattern for Stiff Joints

Dog wearing a knit jacket-style sweater

Looking for a free dog jacket knitting pattern that actually works for older dogs? DogGoneKnit.com reviews Luna’s Jacket – a sideways-knit design specifically built for dogs with arthritis or stiff joints who struggle with traditional sleeves.

Wrestling an arthritic dog into a sweater isn’t fun. They pull back. You try to gently bend a stiff leg through a tiny armhole. Nobody enjoys the process. Most dog sweaters are built for dogs that can bend their legs easily, which is fine for a puppy but terrible for a senior dog.

Luna’s Jacket isn’t built like that.

Ciara at The Fairy Thorn designed this one specifically for dogs with stiff joints. It’s the kind of sweater that goes on without wrestling your dog’s legs into sleeves at all.

It’s a beginner project. You’ll need chunky weight yarn and a basic understanding of knit and purl stitches. That’s about it.

The Mobility Problem

Traditional dog sweaters require you to pull the garment over the head and then manipulate the front legs into fixed armholes. For a dog with arthritis or joint stiffness, lifting the leg up and back is painful.

This jacket wraps around them instead. It fastens under the belly. You lay it over their back, reach under, and secure it.

How It’s Built

This is a Ciara design, and it’s clever. The sweater is knitted in rows – back and forth – worked sideways.

Start with the belly flap. From there, increase stitches across the back panel, then decrease again for the opposite side – a construction that lets the whole thing fasten underneath rather than requiring any leg-threading. Dogs with arthritis or stiff joints simply cannot lift their legs on cue, and a garment that ignores this forces owners into an awkward wrestle every time the weather turns.

What You Need To Knit It

  • Skill level: Beginner
  • Size range: Fits dogs 20 to 60 cm in length, adjustable to any width
  • Yarn: Chunky weight

Five length sizes, width adjustable. That covers a genuinely broad range of body proportions – more than you’d expect – without a separate pattern for every variation.

Why Chunky Yarn?

Chunky weight yarn earns its place here for two reasons. It knits fast. And the fabric it produces is dense enough to hold structure without internal stiffening – which matters more than people expect for a belly-fastening jacket, where any sag in the body panels translates directly into fit loss and the kind of constant readjusting that makes a garment feel like a project rather than clothing.

Get The Pattern

Ciara hosts this pattern on her own site. Enjoy.

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