Light up the night with Brooks’ Race Day Infiniti Quarter Socks that deliver high performance technology and fabrics in a lightweight design. Dri-Stitch™ moisture-transfer nylon keeps your feet dry and comfortable on your run. High visibility Nightlife fabric increases your visibility in low light. Dri-Stitch™ nylon effectively wicks moisture while also keeping feet comfortable with a smooth soft feel. Lightweight thin knit top reduces bulk in your shoes. Midfoot compression provides a snug fit and reduced muscle fatigue. Achilles tab protects against blisters in this friction prone area. Front tab prevents irritation from the shoes tongue rubbing on the front of your ankle. High performance fibers increase durability and comfort. Y Heel gore creates a deeper heel pocket, providing a better fit. A flat toe seam all but eliminates the chance of blisters caused by friction between harsh seams and toes.