ENDURO QUARTER 2 SIZE:S The SPIbelt Performance Series is

The SPIbelt Performance Series is perfect for the long-distance runner

Drop: 12 mm

COOLMAX® fibers and a breathable mesh top keep your feet cool and dry

increasing the dose to 2 capsules - perhaps even a 3rd capsule - as conditions dictate

No batteries to replace

ENDURO QUARTER 2 SIZE:S The SPIbelt Performance Series isBalega's Enduro Quarter running socks perfectly mold around the contours of your foot, lock in the heel and midfoot, leave your toes room to move, and help prevent heel blistering. Provides structured running sock fit that perfectly matches the contours of your foot with our signature V Tech Arch Support System Keeps feet cool and dry with Balega's Drynamix moisture wicking fibers, plus specially constructed, reinforced microfiber mesh ventilation