What stands out about the 3/4 sleeve is how it adds a little structure to the tee.
UNIQLO Dry-EX Polo Shirt Adam Scott Tournament Model Japan Logo Men 491780 NWT
With short sleeves, you get a clean line that tucks into pants nicely.
UNIQLO x ROGER FEDERER XS-4XL Dry-EX Half-Zip Polo Shirt Men 3 Colors 482306 NWT
Short sleeves make this shirt a solid choice for vacation packing due to their compact feel.