A garment sleeve having a proximal shoulder end coupled to an armscye of the garment, and a distal, cuff end, terminating at a cuff, the garment sleeve including: (a) a seam running from the armscye to the cuff the seam being joined at least at the shoulder end and at the cuff end; (b) a non-separating zipper including;—;(i) teeth, and (ii) at least one slider adapted to reversibly couple the teeth, at least partially, between the shoulder end and the cuff end; the non-separating zipper operationally coupled proximate to the shoulder end of the seam and proximate to the cuff end of the seam.