Yeah, it's hot outside. Yeah, you're still going out for a run. Yeah, you still want to wear a crew sock despite the blistering heat. Darn Tough's Vertex Micro Crew is the perfect sock for you. For starters it's one of the lightest micro crew socks available. It's super stripped down, super durable and super comfortable when the temperatures soar. Coolmax Polyester yarns move moisture away from your skin and dry fast while True Seamless construction reduces hotspots and blisters. Ultra high stitch count creates a super comfortable sock with a streamlined fit like no other. No slipping, no bunching, no blisters. Discover the perfect sock for runners looking to lose bulk without sacrificing cushioning and comfort. Still made in Vermont. Guaranteed for life.