This Premium Indigo-Dyed Cotton Aikido Hakama is not a typical Hakama available today. It is made with only the best cotton yarn, using methods that have been passed down through Japan's long history of craftsmanship. The fabric is not dyed after the construciton, as in the norm today, rather it is crafted via the traditional multi-step process that has made Japan's indigo dye famous through out the world. First the cotton yarn itself is soaked in the container of indigo dyed until all the dye is fully absorbed. Then the yarn is wrung and set to dry under the sun. This process of dyeing and oxidizing is repeated over and over again until the yarn takes on the proper shade of color as determined by the master craftsman, Keishi Takemura, the nationally recognized Master of Cultural Arts. Traditionally dyed Hakama has the added benefit of conforming to your personality. The more you wear it - the more unique they will become - the more it will be come a part of you Tough and flexible special rubber Koshiita insert. Seven line of stitching. 420 cm long for front Obi and 205 cm long for rear Obi. NOTE: The genuine indigo color does come off and may stain other garments and facility(as Dojo mat floor).