Longsleeve Onesie Size Chart

Sizes Newborn 6mo 12mo 18mo
Chest 20.5 23 24 25.5
Length 39.5 42 45 47

Measurements in cm (centimetres) +/-2cm.

Sizing Guide
Follow these steps to measure your favourite shirt and find the perfect fit:

  1. Place the garment on a flat surface
  2. Measure armpit to armpit for chest width
  3. Measure top shoulder seam to bottom hem for body length