Dress shirts aren't necessarily a one-size-fits ... turn to ASOS and its Muscle Fit Oxford. Similar to other athletic-fit options on the list, this top sports a wider chest with a tapered waist ...

These insider-approved favorites are ideal for work, formal events and other moments where a dressed-up look is required ...

not exclusively dress shirts. Buy one equipped with the right fit, details, and fabrics, and even the most formal of the bunch can kick it in less stuffy environments without eliciting snickers.