The HRC+Merino wool sock has become Giro\'s most loved sock for riders who demand performance. It is now available with a core spun Meryl Merino wool yarn that adds the soft touch of wool for mountain biking and some warmth for cool weather riding. The compressive qualities promote increased circulation with greater arch support, and the extra reinforced toe and heel improve durabilty. With a 7\" cuff height, you have protection on the trail and warmth when the weather gets cool.Key Features:Core spin Merino and Meryl Skinlife construction,Nylon reinforced toe and heel,High rise 7\" cuff,Made in Italy.