Under Armour Shirts Women Market Report: Sales Volume, Market Share, Leading Brands & Market Trends

G Gradual is the best-performing under armour shirts women brand in July 2026, moving 2,000 units across 1 ASIN for 21.5% of Top 10 volume. TNNZEET follows with 2,000 units (21.5%), ahead of Real Essentials on 1,200 units (12.9%).

Volume is spread across 8 brands, with the top three holding 55.9% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $6.99 to $34.99, 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, one ASIN forced its way in: B07KFQ5F7S booked 500 units at $34.99. On the growth side, B0B5ZTKD9Q leads positive momentum with ▲ 100.0% MoM growth on 200 units, with B0C12RNR2C close behind at ▲ 100.0% MoM on 100 units.

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already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date.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.