Rufni Onesies

Cosy animal onesies for grown-ups

Hooded, fleecy and properly comfy. Pick your animal, find your size by height, and get free UK delivery on orders of £30 or more.

Shop onesies Size guide
Korilakkuma Onesie – White Bear Squirtle Onesie – Blue Shell Pokémon Snorlax Onesie – Sleepy Blue Pokémon

Pick your animal

See all onesies
Korilakkuma Onesie – White Bear

Korilakkuma Onesie – White Bear

£89.00
Squirtle Onesie – Blue Shell Pokémon

Squirtle Onesie – Blue Shell Pokémon

£85.00
Snorlax Onesie – Sleepy Blue Pokémon

Snorlax Onesie – Sleepy Blue Pokémon

£89.00
Charizard Onesie – Orange Flame Pokémon

Charizard Onesie – Orange Flame Pokémon

£85.00
Mario Onesie – Red Mario Bros

Mario Onesie – Red Mario Bros

£89.00
Rilakkuma Onesie – Brown Lazy Bear

Rilakkuma Onesie – Brown Lazy Bear

£89.00
Winnie the Pooh Onesie – Classic Yellow

Winnie the Pooh Onesie – Classic Yellow

£85.00
Stitch Onesie – Blue Experiment 626

Stitch Onesie – Blue Experiment 626

£85.00

Size guide

Onesies go by height, not chest size

A onesie needs room from shoulder to ankle, so height matters most. Every onesie page has its own size chart and a quick size finder.

Find your onesie Ask us about sizing
  1. 1
    Measure heightStand against a wall without shoes and measure from the floor to the top of your head.
  2. 2
    Check the chartType the height into the size finder on the onesie's page, or open its size chart.
  3. 3
    Between two sizes? Go upA slightly roomy onesie is still comfy. One that's too short isn't.