3:Sixteen Aero Calf Sleeve™ - Black/White (pair) Size:M Set in sleeves for active

Set in sleeves for active movement

separate from the wind/water barrier

Concealed waterproof safety back pocket

Large towel lined hood to reduce heat loss

3:Sixteen Aero Calf Sleeve™ - Black/White (pair) Size:M Set in sleeves for activeSave up to 12 Watts Athletes can now benefit from the watt saving technology found in our record breaking Aero Bridge Undervest. Compared to aero socks, the extra calf coverage gives even greater aerodynamic and time savings. Saving up to 12 watts, these Calf Sleeves are the best investment on the market, with the highest watt aero gain. Developed Alongside the World's Greatest Utilising the same technology as our Aero Bridge Undervest, the 3: Sixteen