RaceReady Run! CoolMax Socks (Small) Color:Blue A combined CO2 inflator and

A combined CO2 inflator and mini pump for complete 'peace of mind'

flat top with multi-density injection molded foam that's a bit stiffer in the rear for more power while pedaling

Two soft padded interior compartments

Helps support the seat post to keep mounting rod locked in place

RaceReady Run! CoolMax Socks (Small) Color:Blue A combined CO2 inflator andThese running socks are thin to reduce moisture, reduce friction, and thus reduce blisters. Special "mesh weave" foot top allows feet to breathe and encourages blood circulation. The Lycra stretch top of our running socks keep sock in place. Men's Size: 2. 5 5 Women's Size: 5 7. 5 Made in USA.