Korean children's clothing is sized by the child's height rather than by age, which is more accurate than the US system but requires a conversion step. The domestic market also skews toward a specific aesthetic that is worth knowing before you order.
How the sizing works
Sizes are stated as height in centimeters: 90, 100, 110, 120, 130, 140 and up. Measure your child's height and pick the nearest number, rounding up if they are between. A US 4T corresponds roughly to 100-110 cm, and a US size 7 to about 125-130 cm.
What the market looks like
Korean kidswear leans toward soft neutrals, oversized silhouettes and natural fibers, with a large market for matching family sets. Basic tees run 12,000-25,000 KRW and outerwear 60,000-180,000 KRW. Domestic kids brands are numerous and most do not ship internationally.
Fabric and safety labeling
Korean children's products carry a domestic safety certification mark on the label. That certification is Korean and does not substitute for US requirements, and children's product import rules in the US are stricter than for adult clothing. Check current guidance before ordering in quantity.
Shipping considerations
Kids clothing is small and light, so a dozen pieces often comes in under 2 kg. That makes it one of the few categories where ordering a full seasonal wardrobe in one shipment is genuinely economical.
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Start a buy-for-me order →Frequently asked
Do Korean kids sizes run small?
They match height accurately but are cut slim through the body. For a broader build, sizing up one step is sensible.
Are there restrictions on importing children's clothing?
Rules covering children's products are stricter than for adult goods and change periodically. Personal quantities are generally simpler than commercial ones, but check current guidance.
Is Korean kidswear expensive?
Mid-tier is comparable to US mall pricing. The saving comes mainly from designs and brands that are simply unavailable in the US.