NWT Old Navy Powersoft longline sports bra Size Medium NWT Old Navy Powersoft longline sports bra in rose gold. Lightweight compression fabric with a peachy soft feel. V back, built in shelf bra. Four-way super stretch for ultimate movement. Go-Dry moisture-wicking technology keeps you dry & comfortable. Ideal for yoga, Pilates, barre & everyday activities. Provides light support for A-C cups. Fitted through body. Women's long-line sports bra hits at natural waist. 77% polyester, 23% spandex, with nylon/spandex mesh.