A garment configured to be worn by a wearer, the garment comprising: a first garment portion comprising a pocket, the pocket comprising an opening; a second garment portion being movable relative to the first garment portion; an adjustment system at least partially disposed within the pocket and coupling the second garment portion and the first garment portion, the adjustment system being manipulable by the wearer to move the second garment portion at least partially into the pocket via the opening to thereby adjust a fit of the garment on the wearer, the adjustment system comprising: a first sliplock buckle coupled to the first garment portion; a second sliplock buckle coupled to the first garment portion; characterised by a strap extending slidably through the first sliplock buckle and comprising a first end coupled to the second garment portion, a second end coupled to the second garment portion, a handle garment portion disposed between the first end and the second end and between the first sliplock buckle and the second sliplock buckle, the handle garment portion being pullable to move the strap through the first sliplock buckle and the second sliplock buckle to move the second garment portion at least partially into the pocket via the opening to thereby adjust the fit of the garment on the wearer. a first garment portion comprising a pocket, the pocket comprising an opening; a second garment portion being movable relative to the first garment portion; an adjustment system at least partially disposed within the pocket and coupling the second garment portion and the first garment portion, the adjustment system being manipulable by the wearer to move the second garment portion at least partially into the pocket via the opening to thereby adjust a fit of the garment on the wearer, the adjustment system comprising: a first sliplock buckle coupled to the first garment portion; a second sliplock buckle coupled to the first garment portion; characterised by a strap extending slidably through the first sliplock buckle and comprising a first end coupled to the second garment portion, a second end coupled to the second garment portion, a handle garment portion disposed between the first end and the second end and between the first sliplock buckle and the second sliplock buckle, the handle garment portion being pullable to move the strap through the first sliplock buckle and the second sliplock buckle to move the second garment portion at least partially into the pocket via the opening to thereby adjust the fit of the garment on the wearer. a first sliplock buckle coupled to the first garment portion; a second sliplock buckle coupled to the first garment portion; characterised by a strap extending slidably through the first sliplock buckle and comprising a first end coupled to the second garment portion, a second end coupled to the second garment portion, a handle garment portion disposed between the first end and the second end and between the first sliplock buckle and the second sliplock buckle, the handle garment portion being pullable to move the strap through the first sliplock buckle and the second sliplock buckle to move the second garment portion at least partially into the pocket via the opening to thereby adjust the fit of the garment on the wearer.