The Defeet Aireator 6 inch Barnstormer Pixel Socks feature venting mesh weave foot, durable StayFast cuff and durable heel and toe for complete comfort whether on a long adventure or a quick spin around the block. After several tweaks and revisions, the latest Aireator is the best that DeFeet have ever made. Made from CoolMax® EcoMade™, the fibre that comes from recycled plastic bottles. Not only is this good for the Planet it leads the way in durability, wicking, drying and air permeability. The stay fast double cuff upper fits beautifully, providing additional compression in the ankle zone, holding fast as you pedal but without causing discomfort. The socks will not slip from the moment you pull them on, to the end of a long day in the saddle. Defeet Aireator 6 inch Barnstormer Pixel Socks Features Made from CoolMax EcoMode Stay-Fast top double cuff Aireator mesh for airflow 60% Nylon 39% CoolMax 1% Lycra