J.Crew Navy Blue Longline sports bra in signature flex size M.

A stretchy, criss-cross sports bra that's perfect for lounging around, barre class or any other light-impact activities you have on your agenda. It's made from our best-selling Signature flex fabric with Lycra® Power (aka superior stretch and retention for comfort and durability). It's bluesign® approved, which means it's produced with safer chemicals and in a way that has minimum impact on people and the environment.