Take on the day in Columbia Men's Hart Mountain Full Zip. This staple item is perfect for active and casual days because of its comfortable fit and its essential technology. Columbia is renowned for our quality material and proprietary technology featured in our men's apparel. This crew may seem simple, but its qualities pack a punch. Columbia's full zip features a regular fit and super-soft fabric for comfortable everyday wear. Our signature logo is featured on the chest for subtle style. Whether you wear this to tackle the train, or chose to wear it on a casual Sunday, you'll remain stylish and comfortable. Columbia's jacket comes in many sizes and colors. To ensure the size you choose is right, utilize our sizing chart and the following measurement instructions: 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.