Caterpillar flex layer thermal stay warm and comfortable hour after hour with our flex layer long sleeve tee fastening 602 material compositioncare instructionsmachine wash cold with like colors use mild detergent do not bleach line dry in shade do not iron do not dry clean moisture control and anti odor finish four way stretch fabric for ease of movement flatlock seams for reduced chafing tagless back neck for comfort print on left chest raglan sleeves