Obermeyer Textured Crew - Men 's: A Merino wool nylon knit blend crewneck which is an excellent all around sweater. Warm and very comfortable - the Merino wool is soft, breathable and has an active knit for ease of movement. Rib knit crew neck collar, hem and cuffs. Fabric & Insulation FABRIC: 82% Merino Wool, 12% Nylon Knit Blend Product Features Rib knit hem and cuffs Textured seed stitch Aran stitches Raglan sleeve Cable knit Logo sleeve patch Ottoman stitches Obermeyer Textured Crew | Men's | Black | Size Medium