OCTAには２種類の素材があります。

この型の欠点は伸びが悪く運動時に膝が曲げづらい事でしたが、生地の縦と横を逆にしたことで解消しました。

OCTA has two types of materials. The disadvantage of this type was that it did notstretch well and made it difficult to bend the knees during exercise, but this was resolvedby reversing the length and width of the fabric.