A post-surgical garment includes: a body portion having a neck opening located at a top of the body portion, a waist opening at a bottom of the body portion distal from the neck opening, and opposing first and second sides; a sleeve attached to the first side of the body portion; an armhole opening formed on the second side of the body portion opposite the sleeve, wherein the body portion is split between a bottom of the armhole opening and the bottom of the body portion; and a first closure mechanism located on opposing sides of the split formed on the body portion, the first closure mechanism for securing a front side of the split body portion to a back side of the split body portion to secure the post-surgical garment on a wearer.