Look stylish while breaking a sweat in the Selina Crossover Leggings by Poetry x Fit . Gymwear. Defined by a flattering and form-fitting silhouette, these leggings feature a high-waist crossover design to accentuate your waist. Each piece has been designed to be worn as part of a cute gym set, or as a comfy athleisure fit that's perfect for an everyday look.