Quality is very good for the price! I'm 49yrs old, 5'7" & about195lbs. Not "Fat" perse`, but a little heavy. Given the Ht/Wt description, I went w/a XL & it was actually a little snug. Could've actually gone w/an XXL as the suit is a little snug in the crotch as well as the waist & the legs & sleeves aren't too long now. Good incentive to lose some weight by Spring. Don't plan on wearing anything underneath either besides a shirt & underwear unless you can wear "Skinny jeans" already, but seeing as how it's lined inside, that's not really a big deal. Bought it to use at the dragstrip anyways as I have a 79' KZ 1000 ST I plan on running on street nights or sat test sessions if I get the chance next year. Overall, nice suit for the price though!