6 Workout Brands “It Girls” Are Obsessed With Right Now

We’ve officially upgraded from “free freshman tee” to “matching set that could moonlight at Erewhon,” and a few brands are lapping the field. Here’s your no-gatekeeping guide to the labels the cool fashion girls are actually wearing right now, and why . Evie's product selections are curated by the editorial team. If you buy something through our links, we may earn an affiliate commission, at no cost to you. We only recommend products we genuinely love. Form Vibe: Clean and sculpted. Why It Girls love it: Second-skin onesies and compressive tops that smooth without suffocating; chic, muted palettes that play well with everything. Style it: Legging + boat neck tee, then throw on an oversized blazer and ballet flats for errands that “accidentally” become lunch. Sizing note: If you’re between sizes, size up for comfort during long classes. Our Favorites to Shop: FORM Cami, $72 FORM Boat Neck Long Sleeve, $72 FORM Twist Sweater, $44 FORM Halter Scrunch Tank, $72 Crop Shop Boutique Vibe: Performance meets pretty. Why It Girls love it: Cropped jackets and peek-a-boo seams that flatter shoulders and midriff while still holding you in. Style it: Match a cute bra or tank to high-rise leggings, add tube socks and a baseball cap. Suddenly, you’re the main character on the reformer. Sizing note: Supportive tops can run snug. Our Favorites to Shop: CSB Freedom Leggings, $83 CSB Form Invisible Scrunch Flare Leggings, $99 CSB Form Sculp Zip Jacket, $83 CSB Form Athena Tank, $66 437 Vibe: Sultry athleisure with swim-girl DNA. Why It Girls love it: Buttery fabrics, curve-friendly cuts, and colors that read “rich." Style it: Pair the sleek legging with a square bra and a lightweight cardigan; gold hoops and a slicked bun take it straight to happy hour with the girls. Sizing note: If you’re curvy in the hips, stick true to size; fabric stretch does the heavy lifting. Our Favorites to Shop: 437 The Sculpt Onesie Black-Cherry, $145 437 The Square Bra Espresso, $85 437 The Studio Wrap Powder-Pink, $95 437 The V Legging Clay Mask, $95 Adanola Vibe: Off-duty model. Why It Girls love it: Seamless sets, flattering tees, and a trendy logo that signals you know where to shop. Style it: Unitard + sweatshirt + chunky sneakers. Toss a trench over it and pretend it’s Paris. Sizing note: Seamless compresses; if you prefer a relaxed waist, size up in leggings. Our Favorites to Shop: Adanola AS Chain Stitch Oversized Sweatshirt Light Grey Melange/Slate Blue, $95 Adanola Ultimate Leggings Slate Blue, $65 Adanola Ultimate Short Sleeve Top Chocolate Brown, $55 Adanola Ultimate Low Cross Back Unitard Dark Cherry, $90 Set Active Vibe: Two-tone monochrome. Why It Girls love it: Tonal head-to-toe moments that make getting dressed brainless (in a good way.) Style it: Matching set + slick pony + tiny sunglasses. Add a leather jacket and call it “ath-editorial.” Sizing note: Sculpted lines are snug by design; go true-to-size for that sleek finish. Our Favorites to Shop: Set Active Airluxe™ Breathe High-rise Leggings, $74 Set Active Nylon Track Zip Up, $100 Set Active Formcloud® Cloud Training Bra, $58 Set Active Heavy Cotton Easy Boxer Pants, $68 Vuori Vibe: California cozy with polish. Why It Girls love it: Casual-comfy jackets, feminine silhouettes, and tees you’ll reach for daily. Style it: Sport skirt + cropped hoodie. Throw a lightweight vest on and become that girl at the farmer’s market. Sizing note: Most pieces are forgiving; if you straddle sizes, you can’t go wrong either way. Our Favorites to Shop: Vuori Miles Sport Skirt, $78 Vuori Alpine Vest, $128 Vuori Alta Down Jacket, $288 Vuori Compose Full Zip Hoodie, $128 Now go romanticize your endorphins, one matching set at a time.