The softest wool is reinforced to make activewear more comfortable for women. For high altitude hikes and low temps at night, these are a step in a warmer direction. Heavy weight, thermal warmth for winter & cold. Ankle & arch support; comfortable, supportive fit. Reinforced heel & toe, durable for active wear. Smooth knit, soft fleece inside, pink stripes. Great for hiking, camping, outdoor travel, walking. Merino wool is softer & less bulky than other wool.