The Run Targeted Cushion Stripe Low Ankle Sock uses light and precise cushioning to soften our feet where it's needed most. All the while, its airy design eliminates that icky foot feeling we get while running in hot weather. We can thank the synthetic-merino blend and special knitting for that. Light sock is like a slipper for summer runs. Merino wool regulates temps and resists odors. Stretchy material wicks away moisture and dries fast. Lightweight cushion for comfort in the shoe. Low height for a can't-see-it look.