Ultra-Soft Bamboo Tee - 4 PackThe bamboo t shirt 4 pack builds your everyday rotation at a lower per shirt cost same 70% bamboo viscose construction as the individual tees, same performance, same specs. Bamboo kun, the bacteriostatic bio agent naturally present in bamboo viscose, inhibits odour causing bacteria in the fibre itself. The micro gap structure of bamboo fibre wicks moisture away from skin and lets it evaporate faster than cotton. Both properties come from the fibre,