Merino wool the merino isadore apparel use is a bi component high performance merino perform quality which has high wicking highly breathable itch free and is soft on your skin isadore39s merino product line is structured as a cycling performance product eco system within the system you can go from next to skin ultra lightweight merino in summer to adding further merino layers for insulation in the cold winter the final step within this merino cycling apparel eco system is our merino s