The 'That Girl' Workout Aesthetic: Activewear Trends Going Viral in 2026

Activewear Has Become a Full Lifestyle Aesthetic

It started with a simple TikTok trend: "That Girl" — the woman who wakes up at 5am, works out, drinks her green smoothie, and looks effortlessly put-together doing all of it. But what began as a wellness trend has evolved into one of the most influential fashion aesthetics of 2026. Activewear is no longer just for the gym — it's a full lifestyle statement, and the styles going viral right now are proof.

The Evolution of Women's Activewear

Women's activewear has undergone a dramatic transformation over the past century. In the early 1900s, women exercised in full skirts and corsets. The 1970s brought the leotard and leg warmer revolution. The 1990s gave us the sports bra as outerwear (thanks, Brandi Chastain). And the 2010s launched the athleisure era — leggings as pants, everywhere, all the time.

Today, we're in the era of "elevated activewear" — pieces that are technically functional but aesthetically elevated enough to wear from the gym to brunch without changing. The "That Girl" aesthetic has been the driving force behind this shift, with TikTok creators amassing millions of views showcasing their morning routines in perfectly coordinated workout sets.

What's Trending in Activewear Right Now

Based on what's going viral across TikTok and Instagram in 2026, here are the activewear trends dominating feeds:

• Tennis skirts — the ultimate blend of sporty and feminine, worn on and off the court
• High-waist everything — high-waist shorts, leggings, and skirts that elongate the silhouette
• Matching sets — coordinated two-pieces that look intentional and put-together
• Quick-dry fabrics — performance meets style in breathable, moisture-wicking materials
• Neutral and earthy tones — sage green, cream, camel, and dusty rose dominate the "That Girl" palette

Shop the Viral Activewear Looks

We've curated the activewear pieces that are trending hardest right now — functional, flattering, and priced for real life.

The Zenana Ruffle Hem Tennis Skirt With Hidden Inner Pockets is the piece everyone's talking about. The ruffle hem adds a feminine touch, the hidden inner pockets are a game-changer, and it transitions effortlessly from the court to coffee. This is the definition of the "That Girl" aesthetic.

Pair it with the Love Tree High Waist Seam Detail Active Shorts for your gym days — the high waist is universally flattering and the seam detail adds that elevated, intentional look that sets "That Girl" activewear apart from basic gym wear.

And for your workout top, the Women's Slim Fit Quick-Dry Active T-Shirt is a wardrobe staple — slim fit, quick-dry fabric, and clean enough to wear straight from the gym to your errands. Browse our full collections for more activewear essentials.

The Future of Activewear Fashion

The line between activewear and everyday fashion will continue to blur through 2026 and beyond. Expect to see more technical fabrics in fashion-forward silhouettes, sustainable activewear options, and the continued rise of the "sport luxe" aesthetic — where performance pieces are styled with heels, blazers, and fine jewelry. The "That Girl" era has permanently changed how women think about getting dressed, and we're here for it. Shop our Activewear collection and build your viral workout wardrobe today.