Features of the Icebreaker Women's Amplify Short Sleeve Low Crewe Cool-Lite fabric for faster wicking and comfort in warm to hot conditions Corespun fabric for enhanced durability Set-in sleeve construction Drop tail hem for added coverage Eyelet mesh back for enhanced ventilation Icebreaker reflective heat transfer logo Fabric Details Main: 130gm Jersey corespun, 52% Merino, 35% Tencel, 13% Nylon Mesh: 135gm Eyelet corespun, 51% Merino, 35% Tencel, 14% Nylon