On Performance High Sock - Mens Size:m Arch Type — Average to

Arch Type — Average to High

This soft flexible reservoir shapes to fit your bag and shrinks as you drink to limit water bounce

ULTRAWEAVE: Ultra-light

but more durable

For athletes

On Performance High Sock - Mens Size:m Arch Type — Average toThe running sock that acts as a statement of intent for your run. Key features Weight: 52g Temperature regulating Anatomical shaping Never slip The pattern at the arch triggers sensory receptors to prime your feet for the run while Swiss engineering keeps the sock firmly in place for performance standards that don't slip. Stay in balance Made using 94% recycled polyamide, it features technical mesh paneling keep temperature in perfect balance. Cooling