Creeper Men's Black Crewneck T Shirt from Rook. 

30 singles (soft tee) 100% Ring Spun Cotton. Features a softer weight feeling tee, and a slightly slim but standard fit

Medium measures 20" wide x 29" long

Measurements are taken by inches and are approximate.
Chest measurements are taken from arm pit to arm pit.
Length measurements are taken from the top of shoulders to the bottom hem line.