Clean and simple, this fleece pullover is just the thing to keep you warm, comfortable, and in style all season long. The Columbia Men’s Klamath Range II Half Zip Pullover is a cozy microfleece layer made from 100% polyester and a regular cut silhouette. This layer is a must for any fall or winter wardrobe – a chilly-day staple – perfect everyday wear. You''re bound to feel just right in this flexible half zip pullover, crafted from warm and super soft microfleece polyester. It''s the perfect layering element and first line of defense to combat the cold. As an added bonus, the full collar on this jacket is flexible enough to wear up or down, depending on your desired level of toastiness. Columbia offers this pullover in multiple colors and sizes. Available in extended sizing. Regular Fit. To ensure the size you choose is right, utilize our sizing chart and the following measurement instructions: For the sleeves, start at the center back of your neck and measure across the shoulder and down to the sleeve. If you come up with a partial number, round up to the next even number. For the chest, measure at the fullest part of the chest, under the armpits and over the shoulder blades, keeping the tape measure firm and level.