MightyFit™ 65 DX Convertible Car Seat

3.1 (14)
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Product details

Web ID: 6854124

Get the car seat that's designed with your family's real life in mind. The Cosco MightyFit™ 65 DX Convertible Car Seat keeps your child safer in the car all the way from 5-65 pounds. It'll keep your baby comfortably rear facing up to 40 pounds, and then transitions to forward-facing mode up to 65 pounds. Not too big and not too small, the MightyFit 65 DX is designed to be the right size. In rear-facing mode, it takes up less room, which gives parents more leg room in the front seats. The car seat will also fit three across the back seat of most vehicles, which is great for growing families. MightyFit 65 DX keeps kids safer with Side Impact Protection built right in, and a 5-point harness that adjusts easily from the front of the seat. The harness features 5 heights and 3 buckle locations so you can be sure you're giving the best fit to your growing child.

  • Product Features

    • An extra-comfortable ride that lasts for years: Rear-facing 5-40 pounds and Forward-facing 22-65 pounds
    • 5-point harness with easy up-front adjustment
    • LATCH equipped
    • Deluxe fabrics are machine washable and dryer safe
    • Made in USA
  • Shipping & Returns

    • This item qualifies for Free Shipping with minimum purchase! exclusions & details
    • Our Normal Gift Boxing is not available for this item.
    • This item purchased online must be returned to the vendor by mail only. This item cannot be returned to Macy's stores.
    • For complete details, see our Shipping and Returns policies.

Ratings & Reviews

3.1/5

14 star ratings, 13 reviews

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1 year ago

Don't walk Run!

First and last Cosco product I will buy! I bought 2 of these for travel and after using them on one trip they will be going into the trash. My 2 years old daughter who is very skinny (95% height and 50% weight) would scream getting into the seat. It would cut into her thigh so I had to always make sure she had something longer on. It also would dig into her neck an both sides so I would have to pull the sides of her shirt up. On top of that the seat felt very flimsy and was a nightmare to install rear facing.

Customer review from Cosco Kids

1 year ago

Great Buy Safe & Secure

As my now 8 month old grows, I wanted him to graduate to a more reliable durable carseat. One that is fashionable, safe, light in weight and easy to install. I had an issue with adjusting the straps with the bottom hooks however with a little patience I fixed it to my liking. And my baby boy is comfortable. Love the cup holder too.

  • Photo from Aidens Mom

Customer review from Cosco Kids

1 year ago

terrible design for rear facing

I bought this as a rear facing seat that my 15-month-old daughter can grow with. Unfortunately, like other reviewers, I found that no matter what you do, the seat does not fit tight in the rear-facing position. Very disappointing. This seat should NOT be marketed as a rear facing car seat. I'll save it as a spare for when my daughter is big enough for a front-facing seat, as it seems comfortable and well-built, just poorly designed as a "convertible" seat. Do not buy if you need a rear-facing seat unless you want your baby floating around on the back seat of your car.

Customer review from Cosco Kids

1 year ago

Great Buy, getting another for younger child

I bought one for my two year old last summer. She still uses it. And im buying another one for my 6mth old.

Customer review from Cosco Kids

1 year ago

You get what you pay for

Do not buy. This car seat is impossible to tighten securely. I worked with it for over 45 minutes. Trying to tighten the strap to secure it to the car. Button down, button not down, 200 pounds of weight in the seat, foot in seat. I just about ruined my seats trying to tighten this think in all directions possible. The seat still moves at least 6 inches in all directions and the strap is so loose you can swing it around. You can loosen it easily and tighten it back somewhat but there is no way to make this seat safe for a child. How it passed testing to get placed on the market i dont know. Its cheap made, and the only thing going for it is that its narrow. But is that really the only reason why you would pick this? Ive worked frequently with over a half dozen types and brands of car seats, infant, toddler, booster, convertable etc. Evenflo and graco work great. Ill never buy Cosco brand again. I now dont question the 200 dollars they charge for some seats. This seat isnt fit for a dog.

Customer review from Cosco Kids

1 year ago

Ok for forward facers; huge NO/never for rear facing

Not suitable for rear facing installation. I wonder how this passed regulations to be marketed and sold as rear facing. Don't try it. Not worth risking the life of your infant. Buy a more expensive Greco or Britix or Safety 1st (or anything please!) Please don't risk your rear facing child's life with this thing. It is impossible to tighten enough when rear facing to get the seat secure (design flaw of angles of strap) no movement is required & sadly not possible (at tightest install it still slid left to right about 1 or 2 inches and the back of the seat/head of the seat pitched forward (towards the back of the car) by ~5 or 6 inches. And this was with 2 large towels rolled up under the foot (as instructed in the manual) to get ~the proper level for rear use & at best level was not correct! For forward facing toddlers & preschool etc it is fine with 2 caveats of design flaws: (1) the buckle strap between legs is MUCH to short and the buckles stick out very wide. Results in buckles really digging into child's thighs. I have to dress my daughter in long pants, no shorts or skirts, with this car seat, otherwise the buckle scraps on her thighs & I pinch her (makes her cry) getting the buckles undone. If I forget and she has shorts on I am VERY careful buckling & unbuckleing & I try to slide a shirt or a papertowel between her thigh & the buckle so it doesn't dig into her skin. Just another ~half inch of strap would fix this. Can we get extenders? (2) The headrest juts out from the plane of seat's back, causing child's head to be pushed forward. Not an issue when 4-yr-old is awake, but when she falls asleep her head bobs forward and she looks so uncomfortable. Her head can not stay upright & back because there is not enough recline (forward facing) and her head is pushed forward by the headrest. I try to stop and tuck a sweatshirt under her chin/rest her head on sweatshirt when on long road trips and she's fallen asleep so her head is not bobbing

Customer review from Cosco Kids

1 year ago

Agree with the rear facing comments.

I turned my son Forward facing earlier than I would have liked due to terrible install on the seat RF. I just couldn't stop it slipping around.

Customer review from Cosco Kids

1 year ago

For the price, I would buy again!

I kept my son in his infant car seat until he could hold his head up. Installing in rear facing can be challenging but after researching I've found tricks o how to install and i love this car seat!

Customer review from Cosco Kids