MATERIAL: High-quality slim fit thermal shirts for men. These mock turtleneck undershirts for men are made of stretchy materials, ensuring they're super comfy and won't lose shape. All-DAY COMFORT: Our fashion basic thermal turtleneck shirts provide extra warmth, allowing you to move freely and feel extremely comfortable in winter sports. MATCH: Comfortable and breathable, this men's long sleeve shirt makes a great layering piece or can even be worn alone as a simple, basic piece to pair with any bottoms you have in your closet. EASY-FITTING: Mens casual mock neck long sleeve shirts feature smooth flatlock seams, providing all-around comfort. Our turtleneck t-shirts for men is suitable for almost all shapes, sizes, ages and can be worn in spring, fall and winter for its lightweight warm style. EASY CARE: Please refer to the size chart before purchase. Machine wash cold, hang dry for best long-term care or dry low heat. This lightweight thin mock turtleneck sweater top for men is not only stylish and comfortable, but also easy to wash.