Say goodbye to eye rolls and the dreaded “I’m too old for this” phase—because Nuna has just redefined what a booster seat can be. The all-new Nuna LUMN Booster Car Seat is the ultimate fusion of safety, sleek design, and comfort, built to grow with your child and keep them secure from preschool to preteen. Available now at MacroBaby, the LUMN delivers innovation and peace of mind that only Nuna can offer.
Why the Nuna LUMN Is a Game-Changer
Designed to meet the needs of growing kids and discerning parents, the LUMN is more than just a car seat—it's a long-term investment in your child’s safety and comfort. This forward-facing harness car seat seamlessly transforms into a belt-positioning booster seat, making it the perfect choice for years of use.
Let’s explore what makes the LUMN a must-have for families on the go.
Key Features
1. Convertible Functionality
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Starts as a forward-facing harness seat and converts to a high-back booster.
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5-point no-rethread harness tucks away easily for booster mode.
2. Tailored Fit and Flexibility
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10-position height-adjustable headrest supports your child’s growth.
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9 recline options (in both harness and booster modes when tethered) ensure the perfect angle.
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Slim profile fits 3 across in most mid-sized vehicles—ideal for families with multiple children.
3. Comfort Without Compromise
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All-weather micro-knit fabric offers year-round coziness.
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Leatherette-wrapped calf support and padded ergonomic armrests for luxe comfort.
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Sleek automotive-style leatherette details elevate the look.
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Removable pop-out cup holders are hand washable.
4. Top-Tier Safety Standards
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All-steel frame with reinforced belt path for unmatched durability.
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Aeroflex™ side-impact protection system absorbs crash energy.
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True tension™ door ensures a secure install in harness mode.
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Open belt path makes booster buckling easier for older children.
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Certified to meet FMVSS 213a and 213b for both frontal and side impacts.
5. Clean and Green
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Fire-retardant free: Smartly sourced materials are flame resistant with no added chemicals.
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GREENGUARD Gold Certified to ensure low chemical emissions and safer indoor air quality.
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Machine-washable fabrics and inserts for effortless cleaning.

Specifications
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Recommended Weight Range: 30–110 lbs
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Recommended Height Range: 34–57 in
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Harness mode: 30–65 lbs, 34–49 in
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Booster mode: 40–110 lbs, 43–57 in
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Product Dimensions: 25.5" to 32.5"H x 23.5" to 26.25"L x 18.25"W
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Weight: 26.2 lbs
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FAA Certified: Yes, in harness mode

Why It’s Worth It
The Nuna LUMN isn’t just about transportation—it’s about giving your child a safe, stylish, and supportive ride for years. With thoughtful design, outstanding safety features, and high-end finishes, the LUMN is truly a standout in its category.
Whether you're upgrading from a toddler seat or prepping for the booster years, this car seat offers the longevity and convenience every parent needs.
Available Now at MacroBaby
Don’t wait—this sleek, safe, and stylish ride is ready to roll!