I didn't see anything very recent about mattresses on the nursery and gear board, and so I'd rather ask here first. If you are buying a crib, which mattress will you choose? STMs+, do you have recommendations or have you run into issues with your mattress?
I've already done some research and don't want to spend 400 dollars on a crib mattress, but I do want good quality. I'd like foam, and at least somewhat eco-friendly and made in the USA. I was considering the Sealy Soybean Core Mattress on Amazon, which is fairly inexpensive and rated highly, but some of the reviewers complained it shrunk over time. I've got an IKEA crib and I'd like to find something really tight fitting. We skipped the IKEA mattresses because I didn't think they seemed all that firm, but DH thinks I'm being silly. If you think I'm being silly, tell me - I'll take you more seriously than DH

Also, I know firm is best for baby -but some of the reviews on Amazon complain that some of the mattresses are too firm for their infants, especially for the Colgate mattresses - is that really a thing?
Thanks in advance for your input!
Re: Crib mattresses
It doesn't have an infant/toddler side that I could see, we just flipped it every few months for even wear. It is really nice that it has waterproof covering and binding already, made cleaning up after the couple leaks my son had really easy.
We bought ours from BRU with one of their 20% off coupons for around $150 with tax.
Edit:spelling/grammer
For suzyq0525
I feel you. I can normally make an educated decision and be okay with it, but when it comes to baby gear, I totally second guess myself every time.
Me: 28 | SO: 28
BFP: July 22, 2014 | EDD: March 28, 2015
You can also check out ebooks for free in your pjs...but that's enough shameless plugging for the library
For some reason we bought a coil spring mattress the first time and foam the second. The foam was preferred by my toddler over the coil one. It was also preferred by me and anyone who changed his sheets because it was so much lighter and easier to remove from the crib change the sheets and return to the crib/toddler bed.
I guess I'm not much help, if you have a warehouse club membership they usually bring out furniture and mattress in January and July.
Mommy to DD1 (June 2007), DS (January 2010), DD2 (July 2012), and The Next One (EDD 3/31/2015)
I have no complaints, it has not shrunk, and doesn't sag. I do flip the mattress about once a month or two. My LO seems super comfortable in it and she's a chunky monkey. She also frequenty sleeps on her stomach with her knees pulled up (ie poking directly into the mattress) and it doesn't have any soft spots.
I'd say even though it seems uncomfortable to us, please stick with a firm mattress and don't get a softer one as it's safest for baby. One thing we do have is a quilted waterproof mattress cover - it provides just a touch of softness (its maybe like 1/8" thick) and I like using this cover so that when DD had bad accidents I didn't have to spend time wiping / sanitizing the mattress at 3am. And I didn't want her to get sweaty in the summer. I can't link to it but it's BRU quilted pad cover item # 6739279k12.