rim.ark RIM.ARK MA-1OP MA-1 material dress Black, size 38 Wrinkled, some fading and stains. RIM.ARK MA-1OP (460FAU33-0590). The fabric is made with nylon taslan yarn, which has a natural texture despite being synthetic. The material is medium-thick and firm, with a relaxed, natural feel due to the processing. This material is used to create a mode-style dress with characteristic straight lines. The three-dimensional sleeves are voluminous, and the waist is slightly tight, resulting in a well-balanced design.