The Men's 1/4 Zip Long Sleeve Swim Rash Guard Hoodie Shirt is made from 100% polyester fabric to ensure comfort, durability and most importantly functional utility.Advanced performance fabric wicks away perspiration and stores a small portion of moisture throughout the fabric's micro-channels. Air flows through these channels activating the cooling technology keeping you cool and comfortable.It doesn't shrink or stretch, ensuring that your clothing maintains its form even after many washes.Created for people that prefer clothing with function, style and comfort - ideal for swimming, or surfing, or fishing, or for any other outdoor activities.