Keep warm and comfortable with Transfusion q-zip. Allperformance pullovers are moisture wicking and comfortable. With a four-way stretch and premiercomfort fit, don't expect this q-zip to constrict any type of swing or handshake. The Birdie Blueperformance pullover is designed to transition seamlessly from one activity to the next, whether it be golf, tennis, traveling, or just to keep you from becoming “chilly”. We’re confident our top of the line q-zips will fit your lifestyle like they do ours. Fits perfectly over one of our performance polos!