Half Crew Training Socks v2.0 3 Pack - Black raceday a stylish woven fabric ensures

a stylish woven fabric ensures a pleasant feel

The PWRRUN HG foam midsole provides excellent energy return whilst offering decent cushioning for middle distances

Ultralight Italian fabric

The rest of the frame is executed in a two-piece construction

the next-generation optical heart rate sensor

Half Crew Training Socks v2.0 3 Pack - Black raceday a stylish woven fabric ensuresShyu's performance training sock uses technology from their fantastic race socks and packages it into a product more suitable for everyday use. Version 2 updates the fabrication with an organic nylon blend that further increases softness and durability. Coming in a convenient three pack, they're lightweight and breathable, just like the race day version but there's more cushioning and support to make the training sessions easier. They've also updated