Urban Beauty Women's Thermal Underwear Set 2025 Autumn Winter New Fleece Lined Thickened Down Protein Moisturizing Base Layer Top and Pants

Upgraded thickened fabric with body temperature increase 3.03 times industry standard

Maximum temperature increase ≥ 4°C; 30-minute temperature rise standard ≥ 3°C; actual rise 9.1°C

Down protein enriched with 18 amino acids beneficial to skin, natural moisturizing factors for smooth and soft skin

Far-infrared heating technology for balanced heat retention and prevention of heat loss

10A antibacterial and mite-resistant certification, tested by third-party according to FZ/T73036-2010

Triple stretch elasticity to fit all body shapes without tightness

Double-layer sealed cuffs to prevent wind and enhance warmth

Soft, thick, elastic, and plush texture

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

Down protein provides warmth and skin nourishment, locks body heat all day

Zero odor, softer and fluffier fabric

Acts as a second layer of warmth in winter with air heat lock

Trusted warmth source with reduced weight but maintained temperature

Tested and certified for antibacterial and mite resistance by third-party labs