Medium women’s half-zip pullover base layer top designed for all-season use, the 200 Zone Long Sleeve Half Zip features merino wool mesh panels for added ventilation. Only worn a few times. LYCRA® content for stretch and mobility Zip neck collar for temperature regulation Strategically placed merino mesh for ventilation Flatlock seams prevent chafing Raglan sleeve construction for mobility Underarm gusset for comfort and mobility Dropped front and back hem for added coverage Center back length: 70cm/27¾" size M