Heat is the risk that catches British dog owners out, because the weather turns warm for a fortnight and nobody has adjusted their routine yet. A damp cooling band is one small tool for those weeks. It wraps around the neck where large blood vessels run close to the surface, and as the water evaporates it draws heat out of the blood passing underneath.

The band is breathable mesh cut in a triangle shape that ties on, so a single size covers a range of necks and there is no buckle to sit hot against the skin. Using it is a matter of soaking it, wringing it out and tying it on, then rinsing and repeating when it dries. It is light enough that most dogs and cats forget they are wearing it, which is more than can be said for cooling coats, and it packs flat into a bag for walks and car journeys.

• Breathable mesh in a tie-on triangle shape - Dampen, wring out and wear, then rinse and reuse - Three sizes, S to L, in rose red, blue or purple - Ties on with no buckles or hardware - Light enough for cats as well as dogs

Be clear about the limits. Evaporative cooling only works while water is actually evaporating, so it does less in humid air and it stops entirely once the band is dry. It is not a substitute for shade, water, and walking early or late, and it will not rescue a dog already in trouble. That matters most for flat-faced breeds, who overheat fastest and who a neck band helps least, since their problem is airflow rather than skin temperature.

What the options mean. Sizes run from S to M — £7.99 for the smallest, £8.99 for the largest.

Who it's for: Owners looking for a small extra margin on warm-weather walks, alongside sensible timing.