Fitted Tank Top "For those who may not be comfortable without a top, I'd recommend a lightweight tank, like this Outdoor Voices TechSweat Tank Top ($55)," Sakina said. In addition to keeping you cool and dry, the form-fitting silhouette of this tank will allow your instructor to better see and adjust your form, she explained. Image Source: Outdoor Voices Outdoor Voices TechSweat Tank Top $55 from outdoorvoices.com Buy Now