The front button-down design lets you customize your lookwear it fully buttoned for a polished appearance or leave the top undone for a relaxed edge
Mizzen+Main has some fantastic professional looks, but they really nail it with their golfing line and some of their more relaxed clothes like polos, shorts, and chinos
Whatever it is, do realize how you look at the office will affect how you will be perceived
Also in this category, but worth considering separately, is the Brogue, which looks like an Oxford but can have any number of fancy punched designs
Style it with strappy sandals for an elegant look
Sheath and fit-and-flare styles like Constance and Melissa Royale use pearl beading to enhance long, curve-skimming lines