As girls slowly transition from childhood to adolescence, their needs for comfortable, stylish, and age-appropriate underwear become increasingly important. As their bodies start to change and develop, preteen girls’ underwear plays a vital role in supporting confidence, comfort, and self-expression during these formative years. 

Whether it's for daily, active wear or simply relaxing at home, finding the right underwear for preteen girls will ensure that they feel good in their skin and are ready to face each day while staying comfortable and properly supported.

That’s why, here at Bleuet, we ensure all of our underwear pieces are made from premium materials, and are not only stylish, but also breathable and durable.

The Best Underwear Styles for Preteen Girls

Selecting the right style of underwear for preteen girls is important for comfort, confidence, and practicality. As they grow and develop their personal preferences, choosing age-appropriate and comfortable styles can make a positive difference in their daily routine. Here are some of the best underwear styles for preteen girls to consider:

• Bikini underwear is a popular choice among preteen girls because of its comfortable fit that sits just below the hips. It offers a good balance of coverage and freedom of movement, making it perfect for everyday wear. 

• Briefs are a classic and comfortable style that offers full coverage for the hips and bottom. They are ideal for girls who prefer a more traditional fit and offer added support, especially for active days. Cotton briefs are especially popular due to the fact that they are breathable and usually very soft.

• Boyshorts are a versatile style that offers more coverage than any other style, as well as a snug fit. They are great for sporty girls who wish to stay comfortable throughout the day. Also, they are a style of underwear that simply doesn’t ride up. Due to their full coverage, boyshorts are a great option to wear under skirts and dresses.

• Hipster bottoms combine the best features of briefs and bikini bottoms, sitting comfortably on the hips, while also providing moderate coverage. They are one of the most popular options among preteens who want underwear that feels both stylish and supportive.

• Seamless underwear is not only designed for a smooth, invisible look under clothing, but they are also ideal for girls who have sensitive skin. Another perk of seamless underwear is that they prevent unnecessary chafing and other types of contact irritation.

• Sports or activewear underwear is made from moisture-wicking fabrics, making it a great choice for active girls. This style of underwear will help keep you dry and comfortable during physical activities, while still being cute and age-appropriate.

Why Is Cotton Such a Popular Fabric for Preteen Girls Underwear

When it comes to materials, cotton is a highly-favored fabric for preteen girls’ underwear. Breathable, hypoallergenic, and gentle on sensitive skin, cotton and cotton blends present an excellent choice for everyday wear. 

Cotton underwear also maintains its shape after multiple washes, ensuring durability and long-lasting comfort. For parents and girls seeking reliable basics, cotton underwear for preteen girls is readily available and often comes in packs for convenience and affordability.

What Type of Underwear Is Suitable for 12-Year-Olds

As girls reach this age, their underwear needs may change. Suddenly, they may require a more supportive fit or even slightly larger sizes. Underwear for 12-year-olds often balances comfort with a touch of style, catering to their growing confidence and personal taste. 

It’s essential to choose underwear that provides good coverage and support, especially if they are starting to develop physically. Look for age-appropriate underwear options, like our young teen underwear, that will not only feel good on the skin and provide proper coverage, but that are also made from top-quality, eco-friendly materials.

Preteen and Tween Girls' Underwear Essentials

Comfort builds confidence, which is why every preteen and tween girl needs to have these essentials in her wardrobe: 

• A comfy pair of undies - no matter the type or style, every preteen and tween girls’ underwear collection should contain comfy undies. Briefs, boyshorts, hipster bottoms and preteen girls bikini underwear are just some of the most popular styles.

• A supportive bralette - as girls start to develop, they will need a reliable bralette sooner than you may think. So, make sure you explore various options and choose first bras and bralettes that will provide that additional sense of security and support.

• A cute - and preferably matching - cami - camisoles are another staple every preteen and tween needs. They are perfect for adding that extra layer of clothing that many developing girls feel they need during these transformative years.

Shop Bleuet for Stylish, Age-Appropriate and Cute Essentials