The quest for the very best workout clothes is as much about function and performance as it is about style and personal expression. When seeking out attire that meets the rigorous demands of a varied fitness regimen, advice from fitness professionals—the trainers, athletes, and instructors who live in their workout gear—is invaluable. Here are their top recommendations:

1. High-Performance Leggings: A staple of any workout wardrobe, the ideal pair of leggings provides both support and flexibility. Fitness professionals advocate for styles with moisture-wicking fabric, a supportive waistband, and flatlock seams to prevent chafing. Brands like Lululemon, Nike, and Athleta are frequently mentioned for their durable and comfortable designs.

2. Supportive Sports Bras: For women, a supportive sports bra is non-negotiable. Professionals suggest looking for high-quality materials that offer both compression and comfort without restricting movement. Adjustable straps and band sizes can help achieve a perfect fit. Favorites in this category often include options from brands such as Sweaty Betty, Under Armour, and Adidas.

3. Breathable Tops: Whether you prefer tank tops or t-shirts, breathability is key to stay cool and dry during intense workouts. Mesh panels or keyhole backs can add ventilation while sweat-activated cooling technologies can help maintain body temperature. Nike Dri-FIT and Under Armour HeatGear lines are popular choices for their advanced fabric technology.

4. Flexible Shorts: Particularly in warmer climes or during high-intensity interval training (HIIT) sessions, shorts that offer freedom of movement are essential. Fitness pros look for lightweight materials that allow easy motion without riding up or bunching. Some go-to brands include Reebok’s Speedwick and New Balance’s Impact lines.

5. Compression Gear: For those looking to enhance performance and speed up recovery, compression gear—ranging from socks to full tights—is highly recommended by pros. They not only improve circulation but also reduce muscle fatigue during exercise. Skins and 2XU are leaders in this space known for their graduated compression pieces.

6. Sustainable Options: In an era where environmental consciousness is growing, more fitness professionals are choosing eco-friendly workout clothing made from sustainable materials or through ethical production processes. Brands like Girlfriend Collective offer products with recycled materials without compromising on quality or performance.

7. Cool Weather Layers: For outdoor workouts in cooler weather, layering is essential. Quality jackets, pullovers, and thermal wear can keep fitness enthusiasts warm without overheating once they get going. Look out for apparel from Patagonia or The North Face which are praised for their ability to insulate and provide mobility.

Choosing the right workout clothes isn’t just about looking good—it’s about maximizing your performance while maintaining comfort and durability over time. Taking cues from fitness pros who spend countless hours testing the limits of their gear can be the first step towards finding the perfect workout wardrobe that suits both your exercise needs and your personal style.