YAYA Goose Down and Silk Thermal Underwear Set for Women Autumn Winter German Velvet 7A Antibacterial Anti-Static Top and Bottom Base Layer Set

Extra thick upgraded design for superior cold resistance and warmth retention

Air temperature lock technology, considered the "second skin" for winter

Heat storage and temperature locking confirmed by third-party testing (according to FZ/T73036-2010)

Fabric blend includes cashmere, mulberry silk, and acrylic with heat-generating technology

Soft and smooth texture with moisturizing mulberry silk containing 18 amino acids

7A antibacterial and mite-resistant treatment, verified by inspection reports and third-party certification (FZ/T73036-2010)

High body adaptability providing unrestricted movement and no tightness when worn

Use gentle or mild washing methods

Avoid rubbing with sharp or hard objects

Do not pull or stretch forcefully

Do not wash or disinfect with hot water

Do not use high-temperature drying or ironing

Avoid exposure to wind and drafts during drying