My FAVORITE new t-shirts now come in a “Tech Stretch” version too! I bet these will be awesome for working out too! (commissioned links) P.S. I cannot recommend these new tees enough! They wash and wear so well and the material is a little bit thicker than Old Navy or Target tees.
My top — https://amzn.to/2X0G6qu
New “tech stretch” version — https://amzn.to/2UKsxOH
My version in crew neck — https://amzn.to/2DcgJut