Best for: Designed for yoga and movement, this Flow Top is supersoft, lightweight and stretchy.. The features: With a gentle boat neck, this light as air Flow top has a relaxed fit. The wide hem sits on your hips so it stays in place, giving you coverage during your yoga practice.. Our fabric: Light as air and naturally cool, our Air fabric is a nature-based, breathable blend of bamboo viscose and organic cotton with just the right amount of stretch... Easy Care - Machine Wash at 30. 68% Bamboo Viscose, 28% Organic Cotton, 4% Elastane