Straight tee with a rib-edge bound neck and rolled sleeves. Cut lean, it features a hem that is slightly longer back than front. View the look: https://www.g-star.com/lookbook/women/looks/look3.htm
KoolAid dyed silk tee shirt from @Joe Fresh Take 1 packet of unsweetened KoolAid. Dissolve in spay bottle with 1 cup HOT water. Spray until you're happy! Rinse out, and you're done. No need to set the dye, will not fade, and is totally permanent.