Women’s Underwear and Swimwear Trends for 2025 in the United States
Women’s underwear and swimwear in 2025 in the United States are shaped by a strong focus on comfort, fit and versatility. Soft, breathable fabrics, seamless construction and more inclusive sizing are becoming standard in everyday lingerie, while swimwear is moving toward clean silhouettes with practical features such as adjustable straps, quick-dry materials and added coverage for sport or leisure. Sustainability and material innovation also play a growing role as shoppers look for pieces that feel good, fit well and suit different occasions.
Underwear and swimwear choices are no longer just about aesthetics. Consumers today are looking for pieces that feel good, fit a range of body types, and align with their values around sustainability and function. This shift is shaping how brands design and market their products throughout the United States.
Comfort-focused lingerie trends
Comfort has become a leading priority for many shoppers when selecting lingerie. Wireless bras, stretch-friendly fabrics, and tagless designs are increasingly common as brands respond to demand for everyday wearability. Rather than sacrificing support for softness, many designs now blend structure with flexible materials, allowing for all-day wear without discomfort. This approach appeals to a wide range of consumers, from those seeking loungewear-style basics to individuals looking for supportive pieces suitable for work or daily activities.
Seamless fits and soft fabrics
Seamless construction continues to gain popularity as it minimizes visible lines under clothing while offering a smoother silhouette. Fabrics such as modal, bamboo-derived blends, and microfiber are frequently used for their soft texture and breathability. These materials often provide moisture-wicking properties, making them practical for warmer climates or active lifestyles. As more brands invest in seamless technology, shoppers can expect a broader variety of styles, from bralettes to full-coverage briefs, that prioritize a barely-there feel.
Inclusive sizing and support
Inclusive sizing has become a significant focus within the underwear and swimwear industry. Many brands now offer extended size ranges, including options tailored for fuller busts or curvier body types, to ensure a wider audience finds suitable support. This shift reflects a broader movement toward representation and functionality, with adjustable straps, wider bands, and reinforced support panels becoming standard features. Retailers offering size-inclusive collections often see increased customer loyalty, as shoppers value brands that acknowledge diverse body shapes.
Functional swimwear for different activities
Swimwear designed for specific activities, such as swimming laps, paddleboarding, or beach lounging, has grown in demand. Functional swimwear often includes secure closures, moisture-resistant fabrics, and UPF sun protection to accommodate active lifestyles. Two-piece and one-piece designs are being reengineered with reinforced stitching and chlorine-resistant materials to withstand frequent use. This trend caters to consumers who want swimwear that performs well beyond casual sunbathing, supporting a more active approach to summer activities.
Sustainable materials in everyday basics
Sustainability continues to influence how underwear and swimwear are manufactured. Recycled nylon, organic cotton, and low-impact dyes are increasingly used to reduce environmental footprints. Some brands are also adopting closed-loop manufacturing processes, which aim to minimize water waste and energy consumption during production. While sustainable options may come at a slightly higher price point, many consumers are willing to invest in these choices as awareness around textile waste and ethical sourcing grows.
As preferences continue to shift, the underwear and swimwear categories are likely to keep evolving alongside broader conversations about comfort, inclusivity, and environmental responsibility. Shoppers in the United States can expect brands to keep refining their offerings, balancing style with practicality and sustainability in the years ahead.
