Korean swimwear is a category shaped by a domestic preference for sun protection and modest coverage, which is why rash guards and swim leggings dominate the shelf while the bikini section is comparatively small. If that is what you want, Korean selection and pricing are excellent.
The dominant formats
Long-sleeve rash guards, zip-front swim tops, swim leggings and three-piece sets. A full set runs 45,000-110,000 KRW. UPF ratings are stated on the product page, typically UPF 50+. This is the category where Korean selection is deepest and where US equivalents are surprisingly scarce.
Sizing and stretch
Swim fabric sizing runs small even by Korean standards, since it is cut for compression. Sizes are usually numeric from 44 through 88 for women, which correspond roughly to US 0 through 12. Read the flat chest and waist measurements and account for the fabric having 20-30% stretch.
Seasonality drives price
Korean swimwear goes on sale hard in September and October when the season ends, with discounts of 40-60%. Buying at that point and holding until the following summer is the cheapest way to shop this category, and it fits neatly into an autumn consolidated order.
Weight and packing
Swimwear is the lightest clothing category by far. A three-piece set is around 300 g. It compresses to almost nothing and makes excellent filler in a box that is under a weight bracket but has space left.
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Start a buy-for-me order →Frequently asked
Are Korean swimsuits cut modestly?
Generally yes. Coverage is the market default, and high-leg or minimal-coverage styles are a small niche.
Do rash guards fade in chlorine?
Any swim fabric does over time. Korean listings frequently state chlorine resistance, which is worth checking on higher-priced pieces.
What size should I order?
Compare flat measurements to your body measurements and expect a compressive fit. Sizing up one step is common advice for US buyers.