Lululemon Yoga Swiftly Tech Women's Girl's Sports Short Sleeve T-Shirt pink Design conceptSweat it all out; the Swiftly Tech Collection features no side seam construction for easy running and training.Fabric + FeaturesStructural design without side seams reduces clothing stitches and reduces friction against skinAdopt SilverescentTM technology supported by X-STATIC, can reduce odor Add spandex, comfortable stretch, not easy to deformMesh structure, comfortable and breathableSlim fit, length and hip design and materials are environmentally friendly