• 96% Cotton / 4% Spandex.
• Rib Stretchy Fleece Acrylic Fiber: Comparable to cashmere in heat-retention with fleece lined inside; close-fitting style does better in retaining body heat to keep you warm; rib stretchy for added comfort and softness.
• Heat Retention: Ultra-Soft & Smooth Fleece Lined inside of the base layer cares the skin so naturally providing maximum comfort, softness and warmth.
• Double-Layer Knee Panel & Elbow Sleeve Panel: Thoughtful design for sleepwear set; more warmth, more durable; special care for your knee & elbow.
• Functional Fly: Considerate design on?mens long underwear pants?with fly opening for easy-go when nature calls.
• Crew Neck Tops: Round neckline designed to facilitate the movement of your neck for zero-impact activities.
• Versatile Performance: Ultra soft hand feel, heat-retention and comfortable are great to wear at home or add an extra layer of warmth under your clothes.