autumn winter men's thermal underwear set with fleece and thick Main fabric composition: polyester fiber (polyester) The content of main fabric components: 95 (%) Function: keep warm pattern: plain Extra long patch plus fleece thermal pants plus fleece thermal storage lock temperature to keep warm Specially designed extra-long patch for the knee to resist cold and lock temperature H Comfortable round neck design, simple atmosphere Featured Quality Highlight the quality, rest assured to wear Size L: Shoulder Width: 41CM Length: 66CM Sleeve Length: 55CM Waist: 38CM Pants Length: 96CM Size XL: Shoulder Width: 43CM Length: 68CM Sleeve Length: 57CM Waist: 39CM Pants Length: 98CM Size 2XL: Shoulder Width: 45CM Length: 70CM Sleeve Length: 59CM Waist: 41CM Pants Length: 100CM Size 3XL: Shoulder Width: 47CM Length: 72CM Sleeve Length: 61CM Waist: 43CM Pants Length: 102CM Size 4XL: Shoulder Width: 49CM Length: 74CM Sleeve Length: 63CM Waist: 45CM Pants Length: 105CM Men's briefs feature a form-fitting design that stays in place and an anti-squat design that lets you move freely. These suits combine performance with style to give you a more streamlined look. You'll never have to worry about that sticky feeling again when you're exercising or lounging at home. These thermal underwear for men sits smoothly and softly against your skin. Whether it's sports, shopping or leisure, you'll feel free in all your activities.