93%Polyester 7%Spandex Soft Skin Friendly Premium High Stretch Thermal Underwear Set Polyester Spandex Blend Fabric. Customizable Color: Product color is customizable to meet specific design requirements. High Elasticity: Fabric features high elasticity for superior comfort and fit. Anti-Pilling Performance: Durable fabric resists pilling to maintain appearance over time. Soft Hand Feel: Brushed process ensures a soft and comfortable texture against skin. OEM/ODM Services: Full customization available for patterns, specifications, and packaging. Free Samples: Free evaluation samples available with 2-3 day delivery time. Versatile Applications: Suitable for underwear, pajamas, coats, linings, and sportswear.