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Thirdlove Launches TempSync™ Active: The Future of Activewear

Thirdlove, a pioneering lifestyle brand celebrated for its commitment to inclusive sizing and innovative designs, has made headlines once again with the release of its latest collection, TempSync™ Active. This new line, introduced on January 15, 2026, showcases a comprehensive range of activewear, including sports bras and leggings that utilize advanced temperature-regulating fabric technology, promising to enhance comfort during movement.

A Game-Changing Approach to Activewear

Thirdlove is widely recognized for its groundbreaking half-cup bras and has now set its sights on revolutionizing the activewear industry. The TempSync™ Active collection builds on the brand's previous success with the TempSync™ intimates line, which garnered over $1 million in sales within just six weeks of its launch in 2025. The new collection aims to provide a superior wearing experience for women by addressing common discomforts associated with traditional activewear.

Heidi Zak, co-founder and CEO of Thirdlove, emphasized the brand's mission, stating, "We wanted to create the most modern, breathable sports bra possible, paired with leggings that work just as hard to keep women dry and comfortable as they move." This focus on balancing style and functionality sets Thirdlove apart in an increasingly crowded market.

Leveraging Cutting-Edge Technology

The TempSync™ Active collection is distinguished by its use of 37.5® fabric technology, which actively manages sweat and body temperature during various activities, from workouts to everyday tasks. Ra'el Cohen, co-founder and COO of Thirdlove, pointed out that while performance fabrics have long been utilized in men's activewear, they have historically been overlooked in women’s sports bras. This collection represents a significant step in elevating the shopping experience for active women.

The collection includes:

• - TempSync™ Adjustable Sports Bra ($78): Crafted with antimicrobial properties and flat seam technology, this performance-oriented sports bra is designed to be wire-free with breathable foam cups. It features front-adjustable straps and a back closure, making it suitable for a range of activities, from Pilates and yoga to running and high-impact workouts. It is available in Black, Graystone, Moss, and Sea Salt, in sizes S-XL.
• - TempSync™ Active Leggings ($88): These lightweight leggings are designed with the same antimicrobial technology and feature a unique anti-camel-toe thigh-slimming panel. The elastic-free waistband ensures a comfortable fit, making them ideal for Pilates, yoga, and various workout intensities. They are offered in Black, with sizes ranging from XS-3X, as well as Graystone and Moss in sizes S-XL.

Commitment to Women’s Needs

Thirdlove's dedication to creating comfortable and stylish intimates without compromise is evident in the TempSync™ Active collection. With over 60 sizes tailored to fit women of all shapes and sizes, the brand strives to ensure that every woman can find the perfect fit. The focus on thoughtful design and functionality is further enhanced by Thirdlove's commitment to social responsibility, as they have donated over $50 million in products to women in need.

As the demand for functional activewear continues to rise, Thirdlove’s TempSync™ Active presents a compelling option for women looking to enhance their comfort during physical activity. Available for purchase at thirdlove.com, the collection promises to meet the evolving needs of women’s active lifestyles.

For more updates on new products and promotions, follow Thirdlove on social media @thirdlove.