Red One Piece Swimsuit Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

Holipick is the best-performing red one piece swimsuit brand in July 2026, moving 4,300 units across 4 ASINs for 69.4% of Top 10 volume. KI LAPHEE follows with 500 units (8.1%), ahead of CUPSHE on 300 units (4.8%).

With 7 brands splitting the Top 10 and 82.3% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $35.99 to $39.99, which frames the price band a competing listing has to justify.

Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, 3 ASINs forced its way in: B093LH31SP booked 500 units at $35.99, with ▲ 400.0% MoM change.

The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.