Let’s be clear from the start: for most dogs, clothing in summer isn’t a good idea. A dog with a dense coat and good health needs nothing, and covering them in real heat does more harm than good. But there’s a narrow, real exception where a light, well-chosen piece genuinely protects. Here’s how to tell the difference, and why the material matters more than anything.
What clothing doesn’t do
Let’s say it plainly: no garment cools a dog down. Dogs don’t sweat through their skin. They release heat by panting, and through their paw pads. A thick, synthetic, or tight garment traps heat against the body and blocks that release. In the middle of a heatwave, a padded coat or a heavy sweater isn’t an act of care, it’s a risk.
If your dog has a dense coat and good health, they need no clothing at all in summer. Shade, fresh water on demand, walks early in the morning or late in the evening: that is what protects them, not an outfit.
What clothing does do, for some dogs
There are, however, situations where a light piece protects. The common thread: exposed skin.
Dogs with thin coats, pale skin, or recently clipped coats can get sunburned, exactly as we do. The belly, the muzzle, the tops of the ears, and any lightly covered area are the most exposed.
Let’s be precise here, because it’s often overstated: a lightweight cotton shirt is not a substitute for shade, and it is not a UV garment. It simply creates a physical barrier that reduces direct exposure of the skin, useful for pale-skinned or recently clipped dogs. It’s a layer of coverage and comfort, not a sunscreen. Shade, water, and cool hours remain the real protection; the light garment comes as a complement, never in its place.
That is the whole difference of the material: a fine, natural, fluid fabric covers without trapping heat. A synthetic, thick, or tight fabric does the opposite and worsens overheating. In summer, the material matters more than the presence or absence of clothing.
Cotton and muslin, the right summer answer
Our summer shirts, the Epuré and the Muslin, are made for exactly this. Cut and sewn in France, in cotton and cotton muslin, they are fine, breathable, and fluid. They dress the sensitive-skinned dog for an evening walk, a terrace, a lunch in the shade, without ever acting as a warm layer.
The rule is simple: in summer, choose a material you would wear yourself at 30 degrees. Light cotton, yes. Nothing thick, nothing synthetic, nothing tight.
The things that actually matter
Clothing is only a detail. What matters, during real heat, comes down to a few reflexes that vets keep repeating: fresh water available at all times, an interior kept cool with the shutters closed, walks at the cool hours and never on burning tarmac (if it’s too hot for your hand, it’s too hot for their pads), and never, under any circumstances, a dog alone in a car.
Watch for the warning signs: intense panting that won’t settle, thick drool, a very red tongue, weakness or unsteadiness. These are signs of heatstroke, a veterinary emergency. Cool your dog gradually, never with iced water, and contact your vet immediately.
Well dressed in summer means dressed light, or not at all. And when it does serve a purpose, it’s cotton cut and sewn in France, made for the dog’s comfort first.