This Port Authority® 1/4-zip pullover features 6.8-oz, 100% polyester fleece. The Sherpa fleece is incredibly soft and plush, providing exceptional comfort and warmth. It has a 1/4-zip design, open hem and cuffs, along with set-in sleeves, a self-fabric collar, and side vents. This Port Authority® 1/4-zip pullover features 6.8-oz, 100% polyester fleece. The Sherpa fleece is incredibly soft and plush, providing exceptional comfort and warmth. It features a 1/4-zip design, open hem and cuffs, set-in sleeves, a self-fabric collar, and side vents.