Calvin Klein Women's Long Sleeve Pajama Top

The allure of this animal print Aqua top is all in the details. The gold button-down front and spread collar adds an air of sophistication, while racerback and high/low hem adds a modern, sporty touch.

Invest in the perennial Burberry Brit top. Channel prep-school chic by styling it with a fitted blazer, skinny pants and oxfords.

Sporty gets stylish in this great tank top from Ideology. A built-in shelf bra offers support for low-impact workouts, while the printed design lends a fashionable touch to the gym.

A sleek crewneck is rendered in soft fine-ribbed cotton with a "LRL"-embossed zippered shoulder and tonal faux-suede patches at the elbows for an infusion of modern edge, from Lauren Jeans Co.