Yes, it is the same shirt.
The specs can be found at
Alstyle Apparel - one of the largest manufacturers of blank t-shirts
4.3 oz 100% Combed Ringspun Cotton. Super-soft, lightweight, slim-fit tee. Machine washable and preshrunk to minimize shrinkage. Side-seamed for a tailored cut. "Imported" *Athletic Heather 90/10 Cotton/Poly
Body Width: S=18", M=20", L=22", XL=24", 2XL=26"