Rising design star Danielle Cathari reimagines workout wear with high-concept tailoring and artful touches; here she takes on classic track pants. Cathari uses two tones of fabric, patchwork seaming and brushstroke-patterned 3-Stripes to craft this luxe, earth-friendly version of the adidas staple track pants. Style Name: Adidas Originals Danielle Cathari Recycled Polyester Track Pants. Style Number: 5846800.