Best for: With coverage at the front and a racer back to give you full range of movement, this Seamless Wonder Training Top is a workout must-have.. The features: this seamless style has a relaxed cut that skims your body. The high neck gives you coverage at the front and features a lovely knit detailing. The racer back shows off your shoulders and gives you easy range of movement.. Our fabric: Supersoft, seamless and stretchy, this fabric is so comfy against your skin. Made from bamboo viscose blended with an innovative synthetic, Amni Sol Eco®. Where conventional synthetics take hundreds of years to degrade, Amni Sol Eco® takes five (in landfill)... 77% Bamboo Viscose, 23% Amni Sol Eco®. Easy care - wash at 30°