Perfectly blending style and performance. Sleeveless top is crafted from 100% polyester. Ensuring both durability and an ultra-light feel. Quick-dry, moisture-wicking fabric will keep you cool and dry. UPF 40+ protection makes it an excellent choice for outdoor activities. Experience unparalleled comfort with the 2-way stretch material that moves with you. Offering maximum freedom of movement. Iconic CALVIN KLEIN logo prominently displayed on the center chest. Machine wash.