Your go-to Pilates girl rocks these workout sets: 8 stylish activewear brands to check out for your upcoming class.

      I’ve embarked on a new fitness journey, and I’ve realized that a stylish workout outfit greatly motivates me. This led to a significant shopping spree in search of the cutest workout sets out there. As fall approaches (with celebrities everywhere reviving flared leggings and transitioning from class to errands), I’ve compiled a list of eight fantastic activewear brands. If you plan to wear leggings in fall 2025, consider choosing from these brands. Below, you’ll find the best workout sets, flared leggings, and activewear endorsed by celebrities and fashion enthusiasts.

      **Adanola**

      Kendall Jenner recently showcased the khaki Adanola Ultimate Leggings on Instagram, and this fall-ready look has quickly gained popularity among fashion insiders. Besides deep khaki, other trending non-black shades this season include beige, chocolate brown, and heather gray. Follow Kendall's example and grab a pair of these best-selling leggings to enjoy the luxurious soft fabric.

      - Adanola Ultimate Leggings

      - Adanola Ultimate Wrap Over Crop Shorts

      - Adanola Ultimate Ultra Crop Short

      - Adanola Ultimate Wrap Over Leggings

      - Adanola Ultimate Full Length Unitard

      **Vuori**

      The California brand Vuori is well-known for its AllTheFeels Collection, which offers quality active and everyday wear designed for movement. Its BlissBlend fabric is incredibly soft, wicks moisture away, and is notably flexible. Vuori also teamed up with Kaia Gerber for its fall 2025 capsule collection, Vuori by Kaia.

      - Vuori Clothing AllTheFeels Legging

      - Vuori Clothing AllTheFeels Slim Flare

      - Vuori Clothing AllTheFeels Foldover Pant

      - Vuori Clothing Clean Elevation Legging

      - Vuori Clothing Clean Elevation Shorty 6"

      **ALO**

      It’s no surprise that ALO makes the list. It's been seen on celebrities like Hailey Bieber and Elsa Hosk, maintaining its reputation for good reason. The brand is acclaimed for its versatility, allowing high-quality activewear to transition seamlessly from a morning sculpt class to brunch with friends. Looking for ways to style leggings? Opt for a matching set for a polished look. Some of my favorite outfits featuring leggings start with an ALO set.

      - Alo Airbrush High-Waist Bootcut Legging

      - Alo 7/8 High-Waist Airlift Legging

      - Alo Airlift High-Waist 7/8 Line Up Legging

      - Alo 5" Airlift Energy Short

      - Alo Alo Softsculpt High-Waist Legging

      **Outdoor Voices**

      If you’re not familiar with Outdoor Voices, I highly recommend exploring their offerings. Their activewear prioritizes joy and movement, providing technical apparel suitable for a variety of outdoor activities like hiking and equestrian sports. The brand is bold with its use of colors and patterns, steering clear of the minimalist trends seen in many other activewear lines to create a vibrant, fun aesthetic.

      - Outdoor Voices Grass Capri

      - Outdoor Voices Techsweat Core 7/8 Legging

      - Outdoor Voices Warmup Dress

      - Outdoor Voices Court Skort 2.5"

      **Set Active**

      Designed for mixing and matching, Set Active features a harmonious color palette and classic silhouettes ideal for creating your ultimate activewear collection. Focused on cute sets, the brand provides reliable, breathable comfort and ranks among the best activewear brands of 2025, perfectly balancing workout attire and loungewear.

      - Set Active Formcloud Cloud Parke Course Bra

      - Set Active Formcloud Straight Leggings

      - Set Active Airluxe Breathe High-Rise Leggings

      - Set Active Airluxe Breathe Contrast Wrap Bra

      - Set Active Sportbody Sporty Duo Stripe Shorts

      **437**

      This brand excels at chic onesies. From its original design to the Sculpt version, the fitted garments beautifully contour and enhance in all the right areas. 437 brings a fun, playful twist to activewear, making it a must-have for Pilates enthusiasts.

      **FP Movement**

      Free People’s FP Movement line offers trendy activewear and everyday staples, featuring stylish workout sets and eye-catching leggings. The designs are fashionable, functional, and faithfully reflect the Free People aesthetic.

      - FP Movement Never Better 5" Bike Shorts

      - FP Movement Never Better Capri Leggings

      - FP Movement High Tie Bike Set

      - FP Movement Double Turn Set

      - FP Movement Hot Shot Hooded Set

      **Monday Body**

      While Monday Swim is a go-to for chic poolside bikinis, Monday Body caters to Pilates lovers. Each legging, romper, short, and tank is crafted for mobility. From running errands to attending a spin class, Monday Body’s double waistbands and thick shoulder straps provide essential support throughout your day.

      - Monday Body Acadia Cropped Legging

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