Our unique silk fabric — 100% Silk Circular Rib Knit
Underwear is the closest thing to the human skin, so we want it to be good for the skin and body. Even if the price is high, we want to use the finest materials we can spare.
For MUUGI’s first underwear series, we hand selected our silk fabric. MUUGI’s silk is natural, versatile, and easy to wash by machine.
Silk is said to be a high-quality material, but what are the benefits of silk? And what are the advantages of MUUGI's original silk fabric? Here is some information.
▽ Characteristics of MUUGI’s Silk Rib Knit Fabric
The Benefits of Silk
1. Skin Friendly
Silk’s natural fibers are made of protein, same as human skin. Silk is sometimes referred to as “second skin” for its soft, smooth feel. It does not cause irritation or discomfort, and is preferred by those with sensitive skin.
2. Breathable, Moisture Wicking, and Hydrating
Silk may not seem moisture absorbent, but in fact, silk has 1.3 to 1.5 times the ability to absorb and wick moisture compared to cotton. It can quickly absorb sweat and let it evaporate, keeping you cool and dry on a hot summer day. Since silk is breathable, it prevents bacteria proliferation and helps to maintain a healthy skin environment. Silk can also retain moisture, keeping your skin moderately hydrated. It is recommended for acne and dry, irritated skin, which are often caused by friction of synthetic fibers.
3. Thermal
Silk fibers hold multitudes of small air pockets between fibers, which act as insulators, preventing heat from escaping. Due to this thermal regulating function, silk is an optimal choice for all seasons. Warm in winter, cool and dry in the summer. It helps your body adjust to various environmental factors, such as temperature differences when you move indoors/outdoors and air conditioning in offices and trains.
4. Anti-Static Electricity
Silk fibers can contain more moisture than synthetic fibers. Silk contains moisture at 10%, which is 20 times to that of polyester. It is less prone to be charged with static electricity in dry environments. Hence, silk is also less likely to attract dust. These properties make silk ideal for underwear, and for maintaining a healthy skin environment.
5. Ultraviolet Ray Absorbent
The protein in silk, sericin, absorbs ultraviolet rays. Silk fabric can reduce skin's exposure to ultraviolet rays. Silk's UV protection function is said to be higher than cotton and linen. Therefore when you care for MUUGI silk underwear, after washing, we recommend that you avoid direct sunlight and line dry in shade.
MUUGI's Easy-Care Silk
Although silk is relished as a luxury garment, it is often perceived as being hard to care for. Underwear in particular should be easy to wash in order to reduce the effort required to obtain clean underwear. Considering skin hygiene, we wanted MUUGI underwear to be easy to care for.
Therefore, MUUGI carefully selects silk yarns that are washable and the process is semi-permanent.
Generally, when silk that is not washable-processed is laundered repeatedly, the fibers become fibrillated. This fiber deterioration causes coarseness and loss of the fabric's original color.
MUUGI's original silk fibers are processed to attain washability, and the effect is long-lasting. It can endure repeated machine washing. Also, because this processing is applied to the silk fibers before being woven into yarn, it keeps the fabric's luxurious feel and rich color long intact.
The remarkable features of the washable silk used by MUUGI are detailed in the "Development Story of Our Silk Circular Rib Knit Fabric" section on our website, so please feel free to take a look.
For washing and care instructions, see below.
Characteristics of MUUGI’s Silk Rib Knit Fabric
What comes to mind when you think of silk? Many people likely imagine a slick and glossy fabric. That characteristic slippery texture is found in what are called "woven fabrics," such as satin, which is commonly used for scarves, blouses, and dresses. Generally, woven fabrics have very little elasticity; in particular, 100% silk satin—where the yarn itself lacks stretch—has almost no elasticity at all.
However, for underwear, we believe the fabric should stretch and contract flexibly to follow the contours of the body. That is why MUUGI decided to create a "knitted" silk fabric. We collaborated with a Japanese textile mill to develop our own original fabric using a "circular rib" (fraise) knit—a technique chosen for its exceptional horizontal stretch.
Compared to the jersey knit used in standard T-shirts, circular rib knitting offers significantly higher lateral stretch, allowing it to fit snugly, as if it were gently adhering to the wearer’s body. To achieve our ideal quality, we utilized an extremely fine 240-count silk yarn. The use of such fine thread results in a more delicate, beautiful, and smooth texture that is perfectly suited for intimate apparel.
Furthermore, we refined every detail—from the stitch density to the precise balance between stretch and recovery—resulting in an original fabric with the ideal touch and fit. We hope you will experience for yourself the comfort of this meticulously crafted fabric—a sensation unlike any you have felt before.
For the full story behind the development of our original Silk Circular Rib Knit Fabric, please click here.
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Discover our underwear series crafted from this fabric here.
About MUUGI Signature Silk Underwear >
Tops and innerwear crafted from the same fabric are also available.
100% Silk Crew Neck Long Sleeve Top >
