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Walking equipment

How to Choose and Fit a Dog Harness

Independent guidance on harness styles, fit checks and when a collar or head halter may be more appropriate.

By Dr Hana Lindqvist5 min readPublished 2026-10-03Updated 2026-10-03
Illustration of pet equipment including a harness, carrier, litter tray and enrichment toys

Harness styles

  • Y-front harnesses: leave shoulders free; good everyday choice
  • Front-clip harnesses: can reduce pulling while training
  • Step-in harnesses: easy to fit but often less secure
  • Escape-resistant harnesses: an extra belly strap for nervous dogs

Fit checks

  • Two fingers fit under every strap
  • The chest strap sits on the breastbone, not the throat
  • Straps do not cross the point of the shoulder
  • The dog cannot back out when you apply gentle backward pressure

Avoid

Avoid tight straps across the shoulders, tightening 'no-pull' designs that cause discomfort, and any equipment that relies on pain.

Further reading

Organisations whose published guidance covers this topic.

  • PDSA — veterinary charity pet health advice
  • RSPCA — animal care and welfare advice across species
  • International Cat Care — cat health, behaviour and welfare advice