Nuna Lumn Combination Car Seat

The Nuna LUMN combination car seat is designed for the final stage of car seat ownership—when your child is ready to move beyond a convertible seat but still needs structured safety and support. This is a forward-facing harness-to-booster car seat, built to take your child from toddler years all the way to big-kid independence.

Positioned in the premium, modern car seat category, the LUMN focuses on long-term value, simplicity, and “big kid” appeal. It eliminates unnecessary stages (like rear-facing) and delivers exactly what parents need at this phase: a seat that transitions smoothly, fits well in real vehicles, and keeps older kids comfortable without feeling like a baby product.

Why Parents Love This Product

Final Lifecycle Car Seat
This is the last seat most families will need—transitioning from harness to booster and lasting up to 10 years.

Harness → Booster Conversion
Starts as a 5-point harness seat, then converts into a belt-positioning booster—no need to buy another seat later.

Built for “Big Kids”
Modern, automotive-style look helps eliminate resistance from older kids who don’t want a “baby seat.”

Extended Weight Range (30–110 lbs)
Covers a wide growth range, making it one of the most practical long-term investments in the category.

Slim Profile (Fits 3 Across)
Rare for a premium seat—great for families with multiple kids or tighter vehicles.

True Tension™ Installation (Ease of Use)
Nuna’s installation system helps ensure a tight, secure install without frustration.

All-Season Comfort + Premium Materials
Ventilated fabrics, padding, and adjustable positions keep older kids comfortable on longer rides.

Specifications

Model Name: Nuna LUMN Combination Car Seat

Usage Range:

• Harness mode: 30–65 lbs
• Booster mode: up to 110 lbs

Height Range:
Approx. 34"–57"

Dimensions:
Approx. 19–22" W x 22–25" D x 25–33" H

Weight:
Approx. 26–30 lbs

Materials:

• All-steel frame
• Energy-absorbing foam
• Premium fabrics

Conversion Options:

• Forward-facing 5-point harness
• Belt-positioning booster
  ✔ Harness → Booster

Recline Positions:

• Multiple recline positions when tethered

Harness System:

• 5-point harness (stows when converting to booster)

Headrest:

• Multiple height adjustments (up to ~10 positions)

Installation:

• True Tension™ system
• LATCH + seatbelt installation

Compatibility:

• Standard vehicle seating positions
  ✔ No rear-facing capability

Care:

• Machine-washable seat pad
• Wipeable surfaces

Buy in Raleigh, NC – Tots to Teens Furniture
8701 Glenwood Ave
Raleigh, NC 27617

Visit our Raleigh showroom to compare the Nuna LUMN Combination Car Seat vs convertible and booster seats. We help parents understand when to transition and ensure the right fit for both your child and your vehicle.

We offer white-glove delivery across North Carolina, including installation guidance and safety walkthroughs.

We also provide nationwide shipping, so you can get premium car seats delivered anywhere in the U.S.

The Nuna LUMN Combination Car Seat is the ideal choice for parents entering the final stage of car seat use.

If your child has outgrown a convertible seat, this delivers long-term value, better comfort, and a more age-appropriate design—all while maintaining the premium safety and ease-of-use Nuna is known for.

GROUND SHIPPING

Shop with ease at Tots to Teens, where we ship small items via UPS or FedEx for your convenience. You'll receive a purchase confirmation email immediately after placing your order. Once your item is shipped, we'll send you a follow-up email with the tracking number. If there is a delay, we will notify you by mail or email.

Stay informed every step of the way with Tots to Teens.

LTL & FREIGHT SHIPPING

Get big items delivered straight to your curbside with our nationwide LTL & Freight Shipping option! While we can't ship hefty purchases with our regular ground shipping, we'll make sure they're dropped off right outside your home. Please note that it's up to you to lift and bring the item inside, so plan accordingly as it might take more than one person to handle a heavy load off the truck.

Before the delivery date, the shipping company will call you to schedule a time. Typically, this will be on weekdays during normal office hours and will fall within a 2-to-4-hour period. However, please make yourself available for the entire day (8am to 5pm) to ensure a smooth delivery process. Ensure you're ready at the scheduled time and have enough manpower for the job. If you need assistance or must change the scheduled time, the shipping company may charge you for their extra services. Don’t miss out on your amazing purchase—prepare well and make sure you've got everything you need!

SHIPPING TIME FRAMES

Attention Tots to Teens customers! Please note that shipping times can vary depending on your location. Typical shipping time frames are:

• LTL & Freight Shipping: 2-3 weeks from the shipped date for in-stock items.
• Ground Shipping: 5-10 business days for in-stock items.

If a product is on backorder due to high demand, we'll notify you of its expected ship date via email. You can also check your order status anytime by contacting us. If an item is backordered, we'll notify you of the change and ship it immediately once it's available (unless you cancel).

To cancel an order, please refer to our Returns & Refunds Policy for specific instructions. By proceeding with a return or refund request, you agree to comply with the terms and conditions outlined in this policy, ensuring a fair and consistent approach for all parties involved and protecting the retailer's rights.

Thanks for shopping with Tots to Teens!

Damaged Merchandise:

• If you receive damaged merchandise, please visit our Damaged Merchandise Policy for specific procedures and requirements.

PRODUCT LEAD TIMES

Lead times will be located on the product's page and are provided as an estimated time only. The above is based on our current expected lead time but due to circumstances beyond our control, including restrictions or shortages that may arise as a result of current global situations, we cannot guarantee this time frame. We will do our best to keep you informed if these issues occur but cannot offer compensation in the event of delays.

Thank you for choosing Tots to Teens for your shopping needs. We strive to provide excellent service and appreciate your understanding regarding these policies.

WHITE GLOVE DELIVERY & INSTALLATION

Experience ultimate customer satisfaction with our White Glove Delivery & Installation (WGD&I) service. We go above and beyond to ensure your purchases arrive on time and in pristine condition. Our professional installers will deliver your items to the room of your choice, unbox them, and set them up with great care.

But our service doesn't just end there. We also guarantee the removal of all packaging and debris from your furniture, leaving your home clean and clutter-free. Please note that you must be present to receive your delivery. Additionally, we do not offer returns or refunds following WGD&I.

Scheduling your WGD&I is easy and convenient. A Tots to Teens associate will work with you to find a suitable time that meets your schedule and ours. Our standard rate locally covers a 25-mile radius from our store location. For distances beyond 25 miles, there is an additional charge of $3.50 per each additional mile.

We offer White Glove Delivery & Installation in North Carolina only. For WGD&I outside of NC, please contact the store before making your purchase.

Choose our WGD&I for a hassle-free and stress-free delivery and installation experience.

IN-STORE PICKUP

Skip the extra fees by using our in-store pickup option. Conveniently located near HWY 540 and Brier Creek in Raleigh, NC, simply wait for notification from a Tots to Teens associate that your items are available. From there, schedule a pickup time with a team member or give us an hour's notice if you can't schedule immediately. This guarantees a smooth and timely experience. When you arrive, you'll be asked to sign off on your items, ensuring you receive them in good condition.