Features of the Icebreaker Women's Kinetica Long Sleeve Crewe Cool-Lite fabric for comfort in warm to hot conditions Corespun fabric for enhanced durability Eyelet mesh back for enhanced ventilation Bonded forward set shoulder seam Low profile merrow stitch for next to skin comfort Icebreaker tonal screen print logo Fabric Details Main: 155gm Jersey Corespun, 50% Merino, 33%Tencel, 12% Nylon, 5% Lycra Mesh: 145gm Eyelet Corespun, 51% Merino, 34% Tencel, 15% Nylon