2XU - Light Speed Aero Calf Guards - White/Black Mixed Scientific studies consistently demonstrate that

Scientific studies consistently demonstrate that higher carbohydrate consumption during exercise directly correlates with improved performance

fuel smarter and harder with hand-picked nutrition curated for Half Marathons

Studies show it can enhance grip strength by up to 36

potentially improving memory and learning abilities

Designed for active lifestyles

2XU - Light Speed Aero Calf Guards - White/Black Mixed Scientific studies consistently demonstrate thatWhy We Love It When seconds matter, the 2XU Light Speed Aero Calf Guards deliver free speed without changing how you race. Designed to streamline airflow around the lower leg, helping reduce drag, so you save watts and hold speed deeper into the race. They feel lightweight, secure, and race ready, making them ideal for high intensity efforts where efficiency counts. Talk Nerdy To Me The Light Speed Aero Calf Guards use 225gsm SBR CHANNEL fabric