Keep it a secret.
If you favor lightweight socks, check out the Balega Hidden Dry 2 Running Sock. It''s a low-cut synthetic beaut, with moisture-wicking synthetic fiber, elastic arch and ankle support, and a triple-Y heel pocket and tab to keep your heel from sliding around in your shoe.

Synthetic
Elastic arch and ankle support
Microfiber arch band
Heel tab
Triple-Y heel pocket
Reinforced heel and toe
Item #BGA0009

Materialsynthetic
Weightlightweight
Cushionlight
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