Swiftwick Aspire Quarter Crew High Socks - Circuit Pewter, Large Pedal Service Parts Internals are fully serviceable and

Internals are fully serviceable and replaceable

Manufacturer Part Number: 480 200 50

Semi-axles with Hirth ProTech™ technology are strong

UPC: 836572007976

Manufacturer Part Number: 68

Swiftwick Aspire Quarter Crew High Socks - Circuit Pewter, Large Pedal Service Parts Internals are fully serviceable andThe Aspire offers a thin, breathable feel and firm compression for enduring performance on runs, rides, and more. Engineered with moisture wicking fibers, it keeps feet and ankles dry, secure, and supported. Engineered with an ultra thin profile to deliver unparalleled fit & feel Signature Olefin fibers wick moisture, keeping your feet cool, dry, and blister free Grips the contours of your feet to support the arch and help reduce fatigue 53% Nylon 39%