Define Jacket Nulux 1. Whether you're up for adventure or ready for downtime, our fan-favourite Define Jacket, Too go i that can , has a Our Nulux™ fabric with engineered four-way stretch provides weightless coverage that's quick-drying, sweat-wicking, and feels cool and sleek 3. Added Lycra fibre for stretch and shape retention 4, Zippered pockets 5. Thumbholes and Cuffins ™ 6. Locker loop for easy hanging 7, Zipper garage keeps chafe in check 8. Slim fit, hip length