Shop Charter Club Sleep Soft Viscose From Bamboo Blend 300 Thread Count 3 Pc. Sheet Set, Twin, Created for Macy's online at Macys.com. Our Charter Club Sleep Soft sheets are soft and breathable. Crafted from viscose from bamboo cotton these 300 thread-count sheets are not only soft and luxurious, but also temperature regulating for a comfortable night's sleep and hypoallergenic to resist odors and bacteria.