Icebreaker Size Chart A 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. Flatlock seams prevent chafing, and underarm gussets combine with the raglan sleeves for excellent arm mobility. Features: - LYCRA(R) 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 - Fit: Slim - Center back length: 70cm/27 3/4" size M - Fabric: Body: 96% Merino Wool, 4% LYCRA(R) Eyelet: 98% Merino Wool, 1% LYCRA(R), 1% Nylon - Alternate images show different colorways, yet accurately display product features