Material: 95% polyester and 5% spandex. Colours: Offered in black or navy. Size: Available in L - XXXL (see below for full details). Warm: The ideal base layer, these thermal vests are ideal for retaining body heat without restricting your stylish outerwear. Thermal Vests: Get a set of men's seamless thermal vests. Design: With a seamless design, not only are these vests are the perfect base during the colder weather, they are also lightweight and non-cumbersome. Pack: Includes 2 vests. Men's Seamless Thermal Vest Loungewear | Living Social | Living Social