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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Sturdy Buckle & Adjustable Belt
and comfort
Our only socks using our patented Targeted Compression
The AC4® Active Comfort Sock uses two of OS1st’s signature technologies for the ultimate comfort experience
Team Runbird Logo on left chest
Feetures Elite Ultra Light (No Show Tab) Color:Boost Blue Sturdy Buckle & Adjustable BeltPatented Sock Lock Technology to provide targeted compression where its needed most. Anatomical design enhances fit, delivering maximum comfort and protection by eliminating blisters. Ultra thin construction takes up minimal room inside the shoe. No Show Tab height which sits below the ankle for maximum versatility. iWick fibers wick moisture to keep feet cool and dry. The Perfect Toe (No irritating toe seam.)
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