• Comfort for the whole family: long underwear sets in sizes for all ages. • Ultra-warm thin fleece lining: 92% polyester and 8% spandex, comfortable and soft, prevents body heat loss. • Breathable and sweat-absorbing: ideal for lounging at home or working outdoors. • 4-way stretch: provides flexibility and freedom of movement. • Layer up for warmth: suitable as winter pajamas or base layers.