SKU: 75611341891
summer infant booster seat straps

summer infant booster seat straps Nuna Lumn Harness Booster Car Seat

Sale price$26.27 Regular price$29.19
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 5 - Aug 10

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

summer infant booster seat straps Nuna Lumn Harness Booster Car SeatSay 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

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.

Use

  • Harness to booster taking them from little kid to bigger kid in stylish security
  • 5-point no-rethread harness stows away when converting to booster
  • 9 recline options in both harness and booster modes when tethered
  • Bubble-free recline guides confirm the perfect riding angle
  • 10-position height-adjustable headrest to accommodate growth
  • Machine-washable fabrics and inserts– seat pad removes separately for added convenience
  • Slim design fits 3 across in most mid-sized vehicles
  • Designed for longevity with up to a 10-year life span
  • Airline approved and FAA-certified for use in harness mode

Safety

  • All-steel frame and reinforced belt path for superior protection
  • Aeroflex™ side impact protection system uses lightweight EPP foam to absorb energy and minimize force transferred during a side-impact collision
  • Certified to latest side and frontal impact standards (FMVSS No. 213a and 213b)
  • True tension™ door for a secure install in harness mode
  • Open belt path provides an easier path for booster-mode buckling
  • Push on latch connectors secure the car seat to the vehicle anchor points

Comfort

  • Ergonomic armrests are padded for extra comfort
  • All-weather micro knit fabric provides all-season comfort
  • Leatherette-wrapped calf support for comfort that grows with them

Premium Details

  • Smart design and long-term security with a coolness factor
  • Sleek automotive-style leatherette accents create a big kid appeal
  • Pop-out cup holders are removable and hand washable
  • Fire-retardant free: from fabric to foam and beyond, each element is smartly sourced to be both flame resistant and contain no added fire-retardant chemicals
  • GREENGUARD Gold Certified: Products that have achieved GREENGUARD Gold Certification are scientifically proven to meet some of the world's most rigorous third-party chemical emissions standards, and certified to not contribute to indoor air pollution or chemical exposure

Technical Features

  • Harness to booster taking them from little kid to bigger kid in stylish security
  • 5-point no-rethread harness stows away when converting to booster
  • 9 recline options in both harness and booster modes when tethered
  • Bubble-free recline guides confirm the perfect riding angle
  • 10-position height-adjustable headrest to accommodate growth
  • Machine-washable fabrics and inserts– seat pad removes separately for added convenience
  • Slim design fits 3 across in most mid-sized vehicles
  • Designed for longevity with up to a 10-year life span
  • Airline approved and FAA-certified for use in harness mode

Recommended Usage

To use this child restraint, your child must meet BOTH the weight and height requirements below:

  • Weight: 30-110 lb
  • Height: 34-57 in.

In harness mode, child must be at least 30 lbs up to 65 lbs and between 34-49"" tall.

In booster mode, child must be at least 40 lbs up to 110 lbs and between 43-57"" tall.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75611341891

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4.9 ★★★★★
Based on 12 reviews
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Verified Purchase
Badger Fan
West Palm Beach, US
★★★★★ 5
Exactly what I wanted,
Size: Large, Color: Light Khaki
I bought three pairs of shorts from three different companies and these are my favorite. I am going to by another pair in a different color.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
L
LARGO Guides
New York, US
★★★★★ 5
Comfortable Water‑Repellent Summer Shorts That Still Look Casual and Neat
Size: XX-Large, Color: Dark Grey
I find these TACVASEN 7 Inch Casual Twill Shorts very comfortable to wear for warm weather. The polyester twill fabric feels light against the skin and does not trap heat, which makes them a good option for summer days or humid climates. The material also behaves like a water‑repellent, quick‑dry fabric, so light splashes or a bit of sweat do not linger long, and the shorts dry fairly fast instead of staying damp. The overall look is more refined than basic athletic shorts, which I appreciate. The 7‑inch inseam, flat front style, and elastic waistband with drawstring give them a casual, everyday look that can still pass for more polished casual wear if you pair them with a polo or a clean t‑shirt. They do not look sloppy, so they work for running errands, casual outings, or relaxed social situations, not just for the beach or lounging. In terms of construction, the stitching on my pair is nicely done, with no loose threads or obvious defects on the seams or hems. The shorts include two slant pockets and one back pocket, and one of the front pockets has a hidden zipper pocket inside, which is handy for keeping small items like cards or coins more secure without changing the outside look of the shorts. The elastic waistband and drawstring make it easy to dial in the fit without feeling tight. Based on my experience, these shorts would be suitable for a variety of uses such as casual walks, light outdoor activities, beach days, or as comfortable everyday summer shorts that still look presentable enough for casual gatherings. If you want something breathable, quick drying, and a bit more polished than pure gym shorts, these are a solid option. I received this item for free through the Amazon Vine program and I personally evaluate what I receive. I also pay taxes, Social Security and Medicare so I do not treat this as mindless ordering of products I will not use or fully test.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
J
JoeV
Lowell, US
★★★★★ 5
Perfect Summer Shorts for Everyday Wear
Size: Large, Color: Dark Grey
These turned out to be one of those purchases that will become part of the regular summer rotation. The fit is excellent, the fabric feels lightweight without feeling cheap, and they’re extremely comfortable in warm weather. What I like most is that they strike a really nice balance between casual and polished. They don’t look like gym shorts, but they’re just as comfortable. The dark grey color looks clean and versatile, and the 7-inch length feels modern without being overly short. The fabric has a smooth, cool feel and dries quickly, which is great for hot days or even light water exposure. The elastic waistband and drawstring are comfortable without looking sloppy, and the hidden zipper pocket is actually very useful for keys or cards. Another thing I noticed is their durability that they hold their shape well and the material doesn’t wrinkle easily. They work equally well for relaxing, walking around town, travel, or casual dinners outside during summer. Overall, these feel more expensive than they are. Comfortable, lightweight material, practical, and surprisingly stylish.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
J
Juan Garcia
Dallas, US
★★★★★ 5
Fast drying polyester short for casual wear or to use at the beach
Size: Small, Color: Army Green, Size: Small, Color: Army Green
The TACVASEN men's 7" casual beach shorts are lightweight stretchy polyester shorts featuring an elastic waist band for added comfort. These shorts are nicely constructed and durable with no visible signs of defects out of the package. These shorts wear and feel comfortable for all types of activities or for just casual wear if you just want to lounge around. There are two average sized pockets one on each side and one zippered side pocket for added security and a rear pocket suitable for a normal sized wallet. I'm a 5'10" man and these shorts reach to the top of my knee. These shorts also have an average sized drawstring for added tightness if desired. The polyester material allows for fast drying. Overall these shorts offer a good value for wearing to most occasions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
K
KaiCie
Charlottesville, US
★★★★★ 5
Great casual shorts
Size: Small, Color: Blue Gray
These men’s water-resistant beach shorts have been a great purchase. I got them for my son, and he says they’re extremely comfortable. He especially loves how soft the material feels, which makes them easy to wear all day at the beach, pool, or just casually around town. The water-resistant fabric works well and dries quickly, which is a huge plus for swimwear. They fit nicely and allow for plenty of movement without feeling stiff or heavy. Overall, these are comfortable, well-made shorts with great material, and my son has been really happy with them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026

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