YAYA Goose Down Tencel New Thermal Underwear Set for Men Cashmere and German Velvet Heated Fleece Thickened Autumn Shirt and Pants

Genuine German thermal fiber (DeRong) with heating function

10A grade antibacterial and anti-static treatment

Goose down (Polish white goose down)

Tencel acetate fiber (vinegar acetate Tencel)

Australian merino wool

Natural mulberry silk

Upgraded series with enhanced warmth and comfort

Exclusive fabric sold only by YAYA, not available in other stores

Advanced black technology thermal fiber with far-infrared heating

Combination of wool fiber and Polish white goose down fiber creating proprietary warm feather fiber

Heat retention with a temperature increase of up to 7.0°C

Continuous warmth at body temperature (~37°C) by converting moisture kinetic energy into heat

Non-itch wool fabric certified for skin comfort (individual sensitivity may vary)

High loft large clusters of down for effective cold air insulation

Special fiber arrangement within yarns to store body heat

Fiber diameter approximately 17.5 microns, about 1/5 the thickness of human hair

Tencel fiber blended yarn for cotton-like comfort and silk-like smoothness