BIKE INVENTORY ALERT: Current bike availability is low nationwide, but we still have hundreds of bikes arriving on a weekly basis. Many of these bikes won't make it to the website because they will go to customers that have placed a preorder with us. The fastest way to secure a bike is to place a preorder with our staff. If you would like information on the availability of a specific model and/or how to prepay to be in line for the next available bike when it arrives, please fill out this form. (Preorders require payment.)

Aspire Four Socks


Aspire Four Socks

Availability: In stock

Swiftwick's most popular cycling sock. The ASPIRE is engineered with firm compression and a thin profile for a responsive feel. Firm compression supports every contour of the foot to reduce fatigue during endurance activities. The Four height sits below the calf and its double-cuff construction provides extra support for cycling and trail running.

- Thin profile with light cushion
- Channeled upper improves breathability
- Lightweight Olefin fiber wicks moisture and dries quickly
- 67% Nylon / 28% Olefin / 5% Spandex

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Stock Availability by Location
Please select an option for COLOR and SIZE to continue.
South Lamar 512.477.3472
517 South Lamar Blvd, Austin, Texas 78704
Research Blvd 512.345.7460
10947 Research Blvd, Austin, Texas 78759
Parmer Lane 512.637.6890
9900 W Parmer Lane, Austin, Texas 78717
Bee Cave 512.634.8844
12005 Bee Cave Road, Suite #4, Austin, Texas 78738
Guadalupe 512.267.3495
3202 Guadalupe Street, Austin, Texas 78705
Additional Information

Every product on our website is available for in-store pick-up at any of our five Austin Area locations.

Product Information

Additional Information

SKU 235997
Brand Swiftwick
Gender Unisex
Model Year 2017/2018/2019
Part Numbers

Product Variations

4C010ZZ-S 816513010029 1026513 Black Small Black
4C010ZZ-M 816513010036 1026512 Black Medium Black
4C010ZZ-L 816513010043 1026511 Black Large Black
4C010ZZ-X 816513010050 1026514 Black X-Large Black
4C100ZZ-S 849632009315 1026543 Red Small Red
4C100ZZ-M 849632009322 1026542 Red Medium Red
4C100ZZ-X 849632009346 1026544 Red X-Large Red
4C020ZZ-S 816513010425 1026547 White Small White
4C020ZZ-M 816513010432 1026546 White Medium White
4C020ZZ-L 816513010449 1026545 White Large White
4C020ZZ-X 816513010456 1026548 White X-Large White
4C240ZZ-S 849632020426 1026551 Yellow Small Yellow
4C300ZZ-L 849632020389 1026535 Turquoise Large Mint
4C300ZZ-M 849632020372 1026536 Turquoise Medium Mint
4C300ZZ-S 849632020365 1026537 Turquoise Small Mint
4C060ZZ-L 849632041001 1206607 Navy Large Navy
4C060ZZ-M 849632040998 1206608 Navy Medium Navy
4C060ZZ-S 849632040981 1206609 Navy Small Navy