Perry Ellis Men's Windbreaker Jacket

Layer up with this casual French terry zip-up from Calvin Klein for easy, simple style. (Clearance)

A puffer vest with a touch of cowboy style: Sean John down vest with contrast yoke and shearling-look collar and lining.

A baseball-styled hoodie from Univibe made of jersey with World Series-worthy comfort.

Sean John takes the trend for layering traditional tailoring over workout wear-and puts it together like nobody else. Here, a classic wool blend sport coat unbuttons to reveal an inner layer that borrows its ribbed collar and zip-up front from your favorite warm-up. Go ahead, play with their minds.