Features of the Icebreaker Men's Quailburn Crewe Sweater Fully fashioned lifestyle sweater Cool-Lite yarn for comfort in cool to warm conditions Rib neck, sleeve cuffs and bottom hem Machine washable Fabric Details Main: 12gg -?Knit, 50% Merino, 50% Tencel Neck/Cuff, Hem: 12gg 1x2 Rib, 50% Merino, 50% Tencel