Women's Thermal Underwear Set, Seamless Fleece Lined, Self-Heating Long Sleeve Top & Bottom for Autumn/Winter

Material: Crafted from premium German velvet (Derong) for exceptional softness and warmth, providing a comfortable next-to-skin feel.

Seamless Design: Features a seamless construction to prevent chafing and ensure a smooth silhouette under clothing, enhancing comfort and fit.

Thermal Insulation: Thickened fleece lining offers superior heat retention, effectively trapping body warmth to keep you cozy in cold weather.

Self-Heating Technology: Designed with self-heating properties to generate and maintain warmth, ideal for autumn and winter layering.

Versatile Wear: Perfect as a base layer for various activities or as comfortable loungewear, offering both functionality and style.