Tilly's Butter Soft Square Neck Tee. The Tilly’s Butter Soft Square Neck Tee for women is a simple, stylish essential with unbeatable comfort. Crafted in a versatile solid color, this short sleeve tee features a flattering square neckline that adds a modern touch to a classic design. Made from a buttery-soft polyester-spandex blend, the fabric feels incredibly smooth and lightweight against the skin while offering gentle stretch for all-day ease. Its clean, minimal style and luxurious softness make it perfect for pairing with jeans, skirts, or layering under jackets for effortless everyday wear. 94% Polyester 6% Spandex. Hand wash. Imported.