Nuna LUMN Harness to Booster

Description

Nuna LUMN Harness-to-Booster Seat

They grow, and so does their seat. The Nuna LUMN is designed to take them from their early harness days to an advanced booster seat, offering premium safety, comfort, and style for every ride. With a sturdy all-steel frame, innovative safety features, and a sleek design that complements any vehicle, the LUMN ensures a secure and comfortable experience at every stage.

Nuna LUMN Key Features

• 2-in-1 design – transitions from a 5-point harness to a high-back booster
• True Tension™ door – makes installation in harness mode secure and effortless
• Aeroflex™ side impact protection – absorbs energy to minimize force during side collisions
• All-steel frame – reinforced belt path for superior structural integrity
• 10-position height-adjustable headrest – adapts to growing kids
• 9-position recline options – for both harness and booster mode when tethered
• Bubble-free recline – ensures a proper angle for maximum safety
• Slim design – fits 3 across in most mid-sized vehicles
• Push-on LATCH connectors – for an easy, secure installation
• Open belt path – simplifies proper seat belt routing in booster mode
• Ergonomic padded armrests – extra comfort for long rides
• Machine-washable fabrics & inserts – seat pad removes separately for easy cleaning
• Leatherette-wrapped calf support – enhances comfort as they grow
• All-weather micro-knit fabric – breathable, comfortable, and durable for all seasons
• Integrated cup holders – built-in design to hold drinks and snacks

Nuna LUMN Harness and Booster Modes

Nuna LUMN Harness to Booster Seat

Say goodbye to eye rolls and the ‘too old for this’ debate. Say hello to a seat that finally speaks their language. The LUMN is a combination seat that matches their big kid style, keeping up with all their growth spurts and bringing the coolness factor.

With multiple headrest and recline positions when tethered, this forward-facing harness car seat transforms to a belt-positioning booster to deliver customized comfort for your child and a tailored fit for your car. Sleek automotive-style leatherette accents create a big kid appeal built to withstand the day-to-day of childhood. It’s conveniently wipeable, and the seat pad is machine-washable, making cleanup a breeze.

The LUMN takes them from little kid to bigger kid with a backseat glow-up to see them through all
the milestones—with extra points for style.

Product Specifications

Usage

• Harness Mode: 30 – 65 lbs | At least age 2 between 34 and 49 inches tall
• High Back Booster Mode: 40 – 110 lbs between 43 and 57 inches tall

Seat Dimensions

• Compact – L 23.5″ x W 18.25″ x H 25.5″
• High Back and foot rest extended – L 26.25″ x W 18.25″ x H 32.5″

Product Weight

• 26.2 lbs

Safety & Certification

• Certified to the latest side and frontal impact standards (FMVSS No. 213a & 213b)
• FAA-certified for use in harness mode for air travel
• All materials flame-resistant without added fire retardant chemicals
• Aeroflex side impact protection system uses lightweight EPP foam to absorb energy and minimize force transferred during a side-impact collision
• True tension door for secure install in harness mode
• Push on latch connectors secure the car seat to the vehicle anchor points
• Open belt path provides an easier path for booster-mode buckling

Included Accessories

• Integrated cup holders (no additional purchase needed)

The Nuna LUMN delivers high-end safety, premium comfort, and a sleek, modern design that evolves with your child. Whether in harness mode for younger riders or transitioning into a high-back booster, this seat ensures they stay secure, supported, and stylish on every journey.