britax marathon safecell car seat Britax Poplar Convertible Car Seat (Cobalt Onyx)
SKU: 46561270385
britax marathon safecell car seat

britax marathon safecell car seat Britax Poplar Convertible Car Seat (Cobalt Onyx)

$21.11 $23.45
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  • USA
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Ships within 48 hours · Estimated delivery Jul 3 - Jul 8

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For Your Every Summer RSVP, with Code: SUMMER15

Description

britax marathon safecell car seat Britax Poplar Convertible Car Seat (Cobalt Onyx)This item is an open box model and includes full manufacturer warranty. Purchase online for store pickup, we cannot ship these If you need to come in and test this model out as well as others in our showroom, be sure to book a consultation through our website. Ready to go with room to grow! The Britax Poplar Convertible Car Seat takes the stress out of moving to the next car seat stage thanks to the patented ClickTight Installation and slim SpaceSaver

This item is an open box model and includes full manufacturer warranty.

Purchase online for store pickup, we cannot ship these

If you need to come in and test this model out as well as others in our showroom, be sure to book a consultation through our website.

Ready to go with room to grow! The Britax Poplar Convertible Car Seat takes the stress out of moving to the next car seat stage thanks to the patented ClickTight® Installation and slim SpaceSaver™ design. This car seat accommodates up to 50 pounds rear facing to help keep your child riding safely even longer and easily switches to a forward facing car seat as your child grows. ClickTight Technology installation provides fully open seat belt paths that are clearly labeled and easy to access, and the automatic tensioner takes care of the tightening. Slim outside and spacious inside, the toddler car seat features 17" SpaceSaver technology designed to fit 3-across* without compromising on trusted Britax safety and premium comfort. The Britax car seat boasts a patented SafeCell® crumple zone and V-shaped top tether to help manage crash energy. The reinforced frame and belt paths provide strength and stability. Rear facing car seat cover fabrics are naturally flame retardant with no added FR chemicals and safe to machine wash and dry. *Britax cannot guarantee 3-across installation fitment in all vehicles

  • CONVERTIBLE DESIGN: Works as a rear facing car seat with the infant insert, rear facing and converts to a forward facing car seat
  • CLICKTIGHT INSTALLATION: With ClickTight, you know it’s right in just 3 easy steps: open, buckle and close 
  • INFANT INSERT: Specifically designed to fit newborns 22 lbs and under 
  • 5-POINT SAFETY HARNESS: Helps evenly distribute crash energy to keep your child safe
  • CONVENIENT BUCKLE: Fully open seat belt paths are clearly labeled and easy to access, while the automatic tensioner takes care of the tightening
  • PATENTED V-SHAPED TOP TETHER: Has 2 connection points to help slow and reduce forward movement in a crash; easily stores away when not in use
  • FLAME RETARDANT: The fabric is naturally flame retardant with no added FR chemicals
  • SAFECELL® TECHNOLOGY: Acts as a crumple zone, helping to keep crash energy away from your child 
  • ADJUSTABLE HARNESS: The 14-position harness and headrest move with one hand to grow with your child 
  • 5-POINT SAFETY HARNESS: Helps evenly distribute crash energy to keep your child safe
  • WASHER AND DRYER-FRIENDLY: No more hand washing or waiting for the cover to air-dry; just quick and easy cleanup, so you can keep moving
  • DISHWASHER-SAFE CUP HOLDERS: The 2 cup holders slide in-and-out for easy cleaning between rides
  • EASY-READ LEVEL INDICATORS: The 6-position and quick-adjust recline help you find the most comfortable fit for your child and the best fit for your vehicle

Specifications

  • Product Dimensions: 20.5"L x 17"W x 23.5"H
  • Harness Slot Heights: 8", 8.7", 9.4", 10.1", 10.8", 11.5", 12.2", 12.9", 13.6", 14.3", 15", 15.7", 16.4", 17"
  • Buckle Strap Depths: 4" - 7"
  • Child Weight: 5-65 lbs
  • Rear-facing Harnessed Height: Less than 49"
  • Forward-facing Harnessed Height: Less than 49"
  • Rear-facing Harnessed Weight: 5-50 lbs
  • Forward-facing Harnessed Weight: 30-65 lbs
  • Seat Area Depth/Width: 11" / 12"
  • Shoulder Width: 14"
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: 46561270385

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4.6 ★★★★★
Based on 108 reviews
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Janola
Carnegie, US
★★★★★ 5
Great Value for Cool Thigh Protection
Color: 02-multicolour (4-pack), Size: XX-Large
For the price, I'm not sure there are better women's boxer shortlettes anywhere. I've tried more expensive brands, and for quality and cooling, these are right up there. I have other bamboo viscose undies that still get gross when I get sweaty in the summer, but these, with the large mesh panel, really help wick away a lot of that moisture, keeping you feeling dryer and cooler. I find that the leg openings are comfortable and don't roll up! and the waist band doesn't dig, nor does it roll down. These do not provide any compression, and I wasn't looking for any. I just wanted some cooling, thigh protecting women's boxers that wouldn't break the bank. These are them! Bonus- I've washed them and put them in the dryer (following their instructions), and they haven't shrunk; they look about the same and are nice and soft.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 28, 2025
R
Verified Purchase
Reviewer
Chelsea, US
★★★★★ 4
Great for the entire family but expensive
So far so good. The brand of boxers we had been buying changed their style and construction so we needed to find an alternative. These have held up well so far to multiple weeks of frequent washing and wearing from the entire family. We did size up from the usual 6/M we normally buy and ordered large to prevent the legs from rolling up which worked out great. Our daughter likes the length and how soft the fabric is for wearing under skirts and gym shorts and liners stay put without moving or leaking as another reviewer mentioned. Our son says they are comfortable and fit well being just supportive enough without being constrictive. We all agree that there seems to be not enough fabric in the back as they tend to be much tighter across the backside than the front and that also causes the waist band to ride lower in the back than the front. These have better seam placement than some brands we tried with no seam across the lady bits and no seam down the middle of the back side so they are more much comfortable but the cost is also much higher and that is why we're only giving it 4 stars. These will stay in the rotation until we find something cheaper that both us and the kids like.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 24, 2026
B
Verified Purchase
Brittany
Pawtucket, US
★★★★★ 5
Pregnant lady review! Soft, comfortable, cool.
Color: 03-multicolour (4-pack), Size: Large
So soft, comfortable and cool. I'm pregnant and I've gained weight in my legs. I love wearing dresses but my thighs were rubbing together too much. These are perfect to wear under dresses. I also wear them under my bibs at work and it keeps me from getting overheated but I don't have to worry about whether or not my underwear show since they just look like shorts. I wish these came in maternity. I just keep them below my belly. I'll be buying more for sure.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
J
Verified Purchase
Janessa L.
Los Angeles, US
★★★★★ 5
I want to live in these
Color: 01-multicolour (4-pack), Size: Medium
I bought 4 different sets of new underwear. Unfortunately these came last. It’s unfortunate, because if they had come first I would have cancelled all my other orders or returned them and ordered more of these. I never want to wear anything else ever again; these are the comfiest undies I’ve ever owned, I want to live in them. I can wear them under pretty much anything except leggings or very tight pants (but let’s be honest, I don’t wear those anyway.) They are incredibly soft and breathable, they wash well, don’t roll, keep my thighs from rubbing, are comfy to sleep in, and the colors were true to the photo. Just a heads up, they are on the thin side and just a bit see through in the rear. I’m 5’5” 140lbs and the mediums fit perfectly, they go about mid-thigh.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
P
Verified Purchase
Pistol King
Lake Worth, US
★★★★★ 5
Extremely comfortable
Color: 02-multicolour (4-pack), Size: X-Large
These are by far the softest and most comfortable underwear I have ever owned. The leg portion absolutely does roll up as so many others have mentioned, however, I did not find that to be uncomfortable at all just annoying that they don’t stay in place. I bought these specific underwear to see if it would help alleviate HS symptoms at all. They have definitely helped with wicking moisture away from the skin. More time will tell if it’s truly helpful for HS. For now, I will recommend these. They are thin, breathable, butter soft, wick moisture comfortable and I would buy again…maybe in a different style next time. I have washed them several times and they seem to be holding up rather well so that is also of supreme importance given the cost of the item. Again, I would recommend this item and plan on purchasing more in a different style very soon.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 13, 2025

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