Onno Bamboo and Organic Cotton Short Sleeve T-shirt in Mustard Original retail $44. ONNO’s bamboo t-shirt is silky, lightweight and Made to Move®. In other words, it’s super comfortable. Fit: tailored, flattering but not too tight. Based on reviews, these shirts run a dash small. If you’re between sizes, or like a looser fit, we recommend sizing up. 70% viscose from organic bamboo, 30% organic cotton. Brand: Onno Size: Small Measurements: pit to pit 17.5in, length 22in Condition: Excellent