The Nuna LUMN Harness Booster Car Seat is designed for growing children, providing them with both comfort and safety from little kid to big kid. Perfect for parents who want a versatile car seat that adapts to their child’s growth stages, the LUMN offers a solution that will last for years. With its sleek, automotive-style leatherette accents and innovative design, this seat ensures that your child is not only safe but also comfortable, whether you're on a short trip or a long ride. The LUMN gives you peace of mind with its advanced safety features, while offering your child a stylish, comfortable, and tailored seat for every journey. The Nuna LUMN is a combination seat that grows with your child, from a 5-point harness system in the younger stages to a belt-positioning booster for older kids. With 9 recline options, a 10-position adjustable headrest, and bubble-free recline guides, it offers customized comfort and support. It features machine-washable fabrics and inserts for easy cleaning, and its slim design makes it perfect for fitting three across in most vehicles. Equipped with a reinforced all-steel frame, Aeroflex™ side-impact protection, and GREENGUARD Gold certification, the LUMN is built for superior safety. This car seat is also FAA-certified for air travel, making it a practical and long-lasting choice for families on the go. Nuna, founded in 2007 and inspired by Dutch design, creates premium baby gear that blends safety, innovation, and style. From award-winning car seats and strollers to practical home gear, Nuna products are crafted with high-quality, flame-retardant-free materials and thoughtful details for modern families. Known for advanced safety features and sleek, functional designs, Nuna makes parenting easier and more stylish. Explore Nuna at ANB Baby for trusted baby gear that’s built to last and designed around your life. Nuna LUMN Harness Booster Car Seat Features: Harness to Booster Seat: The LUMN seat transitions from a 5-point harness to a belt-positioning booster, adapting as your child grows. 9 Recline Options: Offers multiple recline positions for both harness and booster modes to provide optimal comfort. 10-Position Headrest: The headrest is easily adjustable to accommodate your child’s growth without rethreading the harness. All-Steel Frame and Side Impact Protection: Provides superior protection with a reinforced frame and Aeroflex™ side impact protection system that minimizes force during a collision. Aeroflex™ Side Impact Protection: Lightweight EPP foam absorbs energy and reduces the force transferred during side-impact collisions. Greenguard Gold Certified: The LUMN is certified to meet rigorous third-party chemical emissions standards and contributes to cleaner indoor air. Fire Retardant Free: Made from flame-resistant materials without added fire-retardant chemicals, ensuring a safer environment for your child. Adjustable and Comfortable: The LUMN features ergonomic armrests, leatherette-wrapped calf support, and micro-knit fabric for all-season comfort. Smart, Sleek Design: The car seat is designed with automotive-style leatherette accents, making it a stylish choice for modern parents. FAA Certified: The LUMN is approved for air travel in harness mode, making it an excellent choice for family trips. See Entire Nuna Collection