Abstract: This disclosure relates to a garment of a tubular construction having a front and a back with the front being provided with a generally T-shaped slit defined by a leg normal and opening through an upper transverse edge of the front and an arm spaced from and parallel to the front upper edge, the cross-shaped slit defining at a juncture of its arm and leg first, second, third and fourth inboard corners, fifth and sixth inboard corners at the juncture of the leg and the free edge, and cooperative snap securing means for uniting selected ones of the inboard corners to each other and/or to other points on the front to provide the garment with a neck opening, arm openings and arm and shoulder portions.