福依蒂透湿双盾保暖内衣（Fuyidi Breathable Double Shield thermal set）
福依蒂透湿双盾保暖内衣 (Fuyidi Breathable Double Shield thermal set) is a two-layer top-and-long-johns set with a mid-height collar. The outer layer is polyester. The inner layer contains viscose, wool and mulberry silk, which take up the water vapor that leaves your skin. The two layers are joined by connecting yarn, leaving still air between them. It suits older adults who feel the cold but also dislike feeling clammy, and who prefer a mid-height collar. Foote Brother (福依蒂) is a personal protective equipment (PPE) brand that originated in the United States. In China, it focuses on technical-fabric thermal underwear and long johns made with care for older adults. In China, Foote Brother is operated by Guangdong Zhuoheng Investment Development Co., Ltd.
| Specification | |
|---|---|
| Fiber content | Outer layer: polyester 100%; connecting yarn: spandex 100%. Inner layer: polyester 84.1%, viscose 11.0%, wool 2.5%, mulberry silk 2.4%. |
| Sizes | L–4XL. |
| Colors | See the product page on our China site. |
| Gift box | "Fuyun Shouhu" (福运守护) box with lid, with the set and two pairs of cotton socks. |
| Test results | See the product page on our China site. |
Technology. When viscose, wool and silk take up water vapor, the water binds to them and releases a small amount of heat. This stops once the fibers are full of moisture; it is not continuous heating. The air gap between the layers adds still air. → Moisture-absorbing warmth · Still air
If you prefer a thicker single fabric, look at 福依蒂静气厚盾保暖内衣 (Fuyidi Still-Air Thick Shield thermal set).
China site (Chinese): 福依蒂透湿双盾保暖内衣