Soft merino fibers that regulate body temperature in all weather conditions and naturally resists odors; Offset shoulder seams to prevent friction 100% Pure Merino; Body temperature regulation; Breathable; Moisture-managing; Naturally odor resistant; Warm when wet; Biodegradable Fiber 100% Wool Exclusive of decoration Machine Wash Cold Gentle Cycle. Wash With Like Colors. Do Not Use Softeners. Do Not Bleach. Do Not Tumble Dry. Line Dry In Shade. Cool Iron. Do Not Iron Print. Do Not Dry Clean.