Nopinz / AeroCoach Flow Socks £28.99 incl. tax* Colour Black/blue detail Size XS S M L XL Add to basket View basket Featuring our new aerodynamic fabrics Speedscale™ and Grannon, we have engineered the Flow-sock to be 2.2w faster than Speedsockz™ & the nearest “stripe-sock” competitor.The three-panel construction will see you save up to 5.3w over cycling bare-legged at 45kph. Fully UCI compliant for use in competition.Key Features:Speedscalez™ and Grannon aero fabrics.ATS™ Trip technology.Fully UCI compliant.Ideal for Track, and Road racing.5.3w saving over bare legs.2.2w saving over aero-stripe socksLow profile – super sticky silicone gripper.Size guide (calf circumference):XS = 31-33cmS = 33.5-35.5cmM = 36-38cmL = 38.5-39.5cmXL = 40-43cm * Based on residence in United Kingdom. Tax rates for other countries will be calculated at the checkout. Price exclusive of tax: £24.16.