A round neck like this one makes layering a cinch with any jacket.
Monster T Shirt Gym Clothing Bodybuilding Training Workout Exercise Gorilla Top
The graphic print on this tee is subtle enough for a professional casual setting.
Member’s Mark Men’s 2-Pack Everyday Soft Wash Tee Relax Fit T-shirt Sz XL NWT
The round neck here is designed to sit comfortably without slipping back.
Funny Gym Doll Shirt Vintage Workout Meme T-Shirt Retro Fitness Tee
This regular fit tee has a balanced look that works for both work and play.
Mens Funny T Shirts Picked Last In Gym Class Sarcastic Fitness Tee for Men
The 3XL option works great for layering over a hoodie.