Pima Cotton Bikini

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$ 24.00
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Soft cotton underwear should feel light, breathable, and comfortable from the moment you put it on. Everyday essentials become even more luxurious when smooth fabrics and feminine silhouettes work together effortlessly.

The Pima Cotton Bikini by Twelve Eighty Eight is a soft women’s cotton bikini underwear crafted from Performance Pima Knit. Part of the soft cotton intimates and everyday essentials Twelve Eighty Eight designs for breathable comfort, the blend of Peruvian Pima cotton, modal, and Lycra provides smooth softness with gentle stretch for everyday wear.

Size: Small (2-4)

Color: Heather Gray

Only 10 left!

Free Returns & Easy Exchanges - If it’s not perfect, we’ll make it right.

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Serena Pima Cotton Bikini - Luxuriously Soft Bikini Underwear for Everyday Elegance

The most intimate pieces deserve to feel absolutely divine. The Serena Pima Cotton Bikini fits this mold. Sumptuous Pima cotton and silky smooth designs create underwear that feels like a gentle caress from dawn to dusk.

The Serena Pima Cotton Bikini features an alluring lower-rise silhouette that flatters while providing graceful coverage. The bikini shape hugs your curves beautifully, creating a naturally comfortable fit that feels effortless and breathable. Luxuriously soft fabric blends caress your skin while maintaining flexible support throughout your day. A whisper of stretch moves with you, never losing its elegant shape.

A Sleek Silhouette with Graceful Coverage

Bikinis are cherished for their perfect balance of comfort and flattering femininity. The soft cotton bikini underwear provides generous coverage while maintaining a refined, weightless silhouette beneath your clothes. The smooth waistband embraces your body gently, never pinching or restricting. An expertly crafted cotton gusset ensures lasting comfort and a secure, soft fit all day long.

Designed for effortless everyday elegance, this style minimizes visible panty lines beautifully. The smooth silhouette transitions seamlessly from fitted dresses to relaxed weekend wear. Pair your Serena bikini with a Beyond the Basics tee for an effortlessly chic, coordinated look. Layer these essentials for timeless comfort and style.

The Luxury of Performance Pima Knit

Serena underwear is crafted from Performance Pima Knit—a premium blend of Peruvian Pima cotton, modal, and Lycra chosen for unparalleled softness and breathable comfort.

Peruvian Pima cotton's long fibers create exceptionally smooth, silky yarns. Modal adds luxurious softness with fluid, breathable drape. Lycra provides gentle stretch that moves naturally with your body. Together, these fibers create the refined intimates Twelve Eighty Eight designs for everyday indulgence.

For additional information about cotton fiber quality see CottonWorks by Cotton Incorporated.

• Soft cotton bikini underwear designed for breathable everyday comfort

• Lower-rise silhouette with smooth feminine shaping

• Fuller backside coverage for comfortable everyday wear

• Performance Pima Knit fabric with gentle stretch and softness

• Lightweight underwear designed to minimize visible panty lines

Collection: Everyday Essentials Intimates

Collection Signature: Soft cotton intimates and essentials designed for breathable comfort and effortless everyday wear.

Best Known For: Smooth cotton underwear, flexible stretch, and exceptionally soft fabrics.

Product Type: Women’s cotton bikini underwear

Rise: Lower-rise bikini silhouette

Coverage: Fuller backside coverage

Waistband: Smooth elastic waistband

Waist Measurement: Approx. 23" elastic waistband (size small)

Fit: Smooth supportive fit; true to size

Fabric: Twelve Eighty Eight Performance Pima Knit

Composition: 48% Peruvian Pima Cotton / 48% Modal / 4% Lycra

Sizes: S–XL

Care: Machine wash cold gentle cycle; tumble dry low

Made In: Peru

Our fabrics are made with Peruvian Pima cotton, a high-quality fiber renowned for its superior length, strength, dye absorption, softness, and consistency. We blend this cotton with modal, another natural fiber, to add durability and extra softness for your comfort. Lycra is added for stretch.

Fabric Content
48% Pima Cotton; 48% Modal; 4% Lycra

Designed for a comfortable everyday fit.

Available in sizes S–XL.

If you are between sizes, choose the next size up.

Refer to our Size Chart for detailed measurements.

FAQs

What makes Twelve Eighty Eight’s sleepwear and loungewear so comfortable?


Our products are crafted from a luxurious Pima cotton and Modal blended fabric, offering the perfect balance of softness, breathability, and durability. This high-quality blend ensures that each piece is not only gentle on the skin but also maintains its shape and color, making it ideal for both lounging and sleeping.

How are Twelve Eighty Eight garments designed?

Our sleepwear is designed with a focus on fabric choice, comfort, and long-term wear.

To learn more about our approach visit our Brand Authority page Why Twelve Eighty Eight for more details.

How do I care for my Twelve Eighty Eight garments to ensure it lasts?


To maintain the luxurious feel and long-lasting quality of your Twelve Eight Eight pieces, we recommend washing in cold water and air drying or tumble drying on low heat. Our Pima cotton and Modal blend resists pilling, retains its softness, and holds its shape and color wash after wash, ensuring your loungewear stays beautiful for years.

Visit our Fabric & Care Guide for more details.

How can I track my order from Twelve Eighty Eight?


Once your order has been shipped, you will receive an email with a tracking number. Simply follow the link provided in the email to track your package and stay updated on its delivery status.

What is Twelve Eighty Eight's Return Policy?


We want you to love your purchase, but if for any reason you're not completely satisfied, we offer a hassle-free return policy.

You can return unworn, unwashed items within 14 days of receiving your order for a full refund or exchange. Simply ensure the product is in its original condition, with tags attached.

For returns, please visit our returns portal on the website to initiate the process. Note that shipping fees, if applied, are non-refundable.

How do I choose the right size for Twelve Eighty Eight sleepwear and loungewear?


To help you find the perfect fit, we offer a detailed size chart on each product page. Our sleepwear and loungewear are designed to provide a relaxed, comfortable fit. We recommend measuring your bust, waist, and hips, then comparing your measurements to our size guide to ensure the best fit. If you’re between sizes or prefer a looser fit, we suggest sizing up. For any additional sizing concerns, our customer service team is happy to assist you in finding the perfect size.

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