- Under Armour Toddler Size Chart - Under Armour Little Girls' Size Chart - All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. - Make every swim day more exciting wearing the Under Armour® Kids Heat Flare Set, designed for girls who love to move, play, and make a splash with confidence. This performance-focused swim set features a stylish one-piece swimsuit paired with matching shorts, creating a sporty look that blends comfort, coverage, and modern athletic style. Crafted from high-performance fabric, it offers breathable comfort that helps keep her feeling fresh during beach adventures, pool days, swim lessons, and active water play. The easy pull-on design makes dressing quick and hassle-free, so she can spend less time getting ready and more time enjoying the water. Built for movement, this set allows her to swim, run, jump, and explore with ease while maintaining a comfortable fit. - 82% polyester, 18% spandex. - Machine washable. - Imported. - If you're not fully satisfied with your purchase, you are welcome to return any unworn, unwashed items in the original packaging with tags and if applicable, the protective adhesive strip intact. Note: Briefs, swimsuits and bikini bottoms should be tried on over underwear, without removing the protective adhesive strip. Returns that fail to adhere to these guidelines may be rejected.