The main body fabric is made of high-performance nylon twill with master-piece's original special water-repellent treatment M-coat™.
All-weather lightweight business series with plenty of storage space and a lightweight, simple design.
The fabric for the main body is made of strong 66 nylon with 70d warp and 210d weft, woven into a dense twill structure, and dyed using a high-pressure zipper. After that, it is treated with master-piece's original special water-repellent finish called m-coat™.
M-coat™ not only has much better water repellency and wear resistance than conventional water repellent finishes, but also differs from conventional water repellent finishes by using special technology to structure the water repellent agent on the fiber surface, achieving superior water repellency and durability. Many water-repellent products lose their water-repellent performance with repeated use and washing, but m-coat™ has obtained Bundesmann water repellency test grade 4 even after 100 washes. Regarding water repellency, we conduct the Bundesmann test (*), which is more severe than the spray test (JIS -L1092) used in conventional measurement standards.
In addition, the back side of the fabric is treated with Breathatec® from Toray Cortex Co., Ltd. This is a polyurethane wet microporous coating material that uses proprietary polymer technology and is highly water resistant. The type of polyurethane coating material used is polycarbonate, which has excellent durability. The water-repellent feature of m-coat™ repels water, and the water-resistant feature of Breathatec® prevents water from entering, making it a material that can withstand torrential downpours and heavy rain. The attached leather is carefully selected high-quality domestically produced steer leather, and during dyeing, a waterproofing agent made by 3M is added to the tyco to penetrate deep into the leather fibers.
It continuously prevents water from entering from the back and sides of the leather, as well as from scratched areas. Waterproof and stain-resistant leather that has passed 3M's "SCOTCHGARD®" monitoring test. The test is performed even if the surface is scraped, so the effectiveness will not be diminished.
Embossing gives it a more sophisticated and elegant appearance, and it is also less prone to scratches than smooth. We have selected the oil and tannins to make it as light as possible. In addition, the zipper tape uses WATER-R, which has a simple water-repellent finish.
