20% off sitewide

with code SUNNY20 | excludes sale

endless summer collection

keep the summer vibes alive with new swim

back to school sale

150+ styles under $20

Cute and Comfy Clothes for Trendy Tweens

Dress up isn’t just for little ones—surprise your budding fashionista with some stylish RuffleButts tween girl swimwear, and score some major cool points. Your little girl will love our colorful, cute, and trendy styles, and you’ll love their perfect fit and high-quality design. Something you and your tween can agree on? Talk about a big win! 


Discover the latest arrivals that tick each of her boxes—and yours, too. Like all of RuffleButts clothing, our tween fashion styles are designed in America and come with a Full Circle Smiles Guarantee. She’ll feel confident swimming, hanging with friends, and heading to the pool or beach in her ultra-comfy, eye-catching pieces—and you can rest assured that her stunning outfit matches her bold, beautiful spirit. 


Explore vibrant accessories, and comfy, cute tween swimwear. She’ll take on the beach, the pool, swim practice, and summer camp with absolute confidence in RuffleButts bikinis, one-pieces, and tween rashguards. All of our swimsuits are comfortable, stylish, age-appropriate, and empower girls to make a splash in the world. Find a style that meets your little girl’s needs and wishes. Whether she’s diving after a volleyball in trunks and a long-sleeve rashguard or lounging in the sun with safe shoulders and sensational style in a ruffle hem bikini set, she’ll be the belle of the beach and feel like her best self. 

No matter if you’re searching for warm-weather tween accessories like Hollywood-worthy sunglasses and swim headbands or stylish swimsuits, you’ll find the perfect choices in our collection of tween clothing. With an ever-growing selection of tween swimsuits that run up to size 16, you can keep her comfortable, classy, and cool as she enters those thrilling teenage years. With so many exciting—and unpredictable—moments ahead, count on RuffleButts for tween girl clothes you both can trust.

- or -
Proceed to Cart