The Kitty Sash is a tunic-like sash that has a small ribbon on the bottom with a cat-bell. It is available for female characters in Character Creation for Soulcalibur IV, and available as purchasable DLC in Soulcalibur V.
This Lower Body equipment raises Gauge by 40, Defense and HP by 10 but decreases Attack by 10. It is worn by Talim in her 2P costume, and is made available when she is unlocked for 4,000 Gold at the Fighter Select Screen.
This Lower Body equipment was made available as part of the Classic Outfits 1 DLC package on July 10, 2012, along with the rest of Seong Mi-na's and Talim's 2P equipment from the previous game. Aforementioned package can be purchased at the Cepheus Store for $2.99.