Core Long Sleeve Tee (7 Diamonds) 7 Diamonds Shirts 7 Diamonds Button Snap Up Long Sleeve Shirt 7 Diamonds Shirts 7 Diamonds Long Sleeve Shirt Poshmark 7 Diamonds Shirts 7 Diamonds Long Sleeve Western Shirt Poshmark Men's Best Sellers 7Diamonds. Our Core Performance?? Collection combines our signature 4 Way Stretch fabric with a softer than ever finish that allows for all around comfort in or outside the house.?? The perfect everyday long sleeve basic you can wear to any occasion. Features ribbed thumbhole cuffs. Details: Care: Machine wash cold, tumble dry low. Do not bleach, do not dry clean. Composition:?? 92% Polyester 8% Spandex