Is these dress shirts classic collar?

Yes, they are classic collar

Are these mens fashion shirts made of cotton?

Yes, the material feels really good!

Does this men dress shirt have pockets on the underside of the collar for collar stays?

No, it doesn't

Is this a long shirt? Like is it made to be tucked in?

It can be tucked in

Are these stylish dress shirts wrinkle free?

Hi, yes, it is

Is this machine washable and dryer safe?

Hello - Yes the shirt is machine washable in cold water, it should be washed separately or with similar colors. Line (hang) to dry. Use warm iron if needed

I wear US M and is a good fit everywhere, i feel like i should get a US M of these, what would you suggest?

Hello, I'm not sure how tight of a fit you want, normal size US M (Tag L) would be recommended if you want it tight, please kindly order US L or US XL (Tag XL or XXL) if you want loose fit. Thanks

• FEATURES: These designer shirts feature short sleeve, slim fit style, button-end closure, classic collar, wrinkle free, solid color, comfortable fabric
• OCCASION: Vocation, holiday, home, wedding, date, work, business and so on, you can wear this shirt for formal&special occasion or daily casual look
• GOES WITH FORMAL TROUSER OR DENIM PANTS: Match with formal trousers or stylish denim pants, be more fashion and handsome
• CARE INSTRUCTION: Dry, laundry, Machine wash cold, dry flat or handwash are available, Low iron if necessary
• CHOOSING RIGHT SIZE: Please choose normal US size if you want tight fit, please kindly go up one US size if you want loose fit. Thanks

FEATURES: These designer shirts feature short sleeve, slim fit style, button-end closure, classic collar, wrinkle free, solid color, comfortable fabric