Edited August 10, 2018
at 10:06 AM
I'm a big fan of Airism. I wear it under my dress shirts and it really wicks moisture really well on hot days instead of just feeling damp with my cotton tanks. Quick tip, I recommend gray v-neck under white dress shirts so the undershirt is not apparent.
Men's Airism sale [uniqlo.com]
Women's Airism sale [uniqlo.com]