MA.STRUM Rev Loopback Crew Sweatshirt pairs a soft, elastic cotton loop at the back with inverted loopback fabric for a textured, elevated-casual look. Ribbed hem and cuffs and a press‑stud welt pocket on the left chest complete the practical design. Key attributes: Blue | Navy | Cotton | Press-stud welt pocket on left chest | Crew neckline | Ribbed hem and cuffs | Inverted loopback fabric for textured look | Soft elastic cotton loop at back