Streamline your silhouette on casual days with J Brand's leggings-style jeans. In electrifying bright-blue, this '620' style is the perfect pop of color to off-duty looks. Wear it with a classic Breton top and printed ballet flats for a cool Left Bank finish.

Shown here with: Junya Watanabe top, Aurélie Bidermann bracelet, Chan Luu bracelet, Eddie Borgo ring, Alexander McQueen ring, KENZO shoes, Mulberry bag.

• - Bright-blue stretch-denim
• - Mid-rise, leggings-style
• - Belt loops, four pockets
• - Button and concealed zip fastening at waist
• - 98% cotton, 2% elastane
• - Machine wash inside out to avoid color transfer
• - Designer wash: Electric Blue