Superfeet Run Support Insoles Size:B the special conical and hollow

the special conical and hollow 3D polymer reduces muscle fatigue and facilitates air flow by reducing the temperature in the contact zone

The added plus of buoyancy in the lower trunk keeps your legs on the surface while swimming

light semi-sweet citrus taste that's bright and refreshing

asymmetrical design provides immediate feedback

Keep firm when shiftingReduced drag through a more aerodynamic designSingle button on each side of the shift lever only works with Synchronized ShiftSeries colorEliminated the switch box of ST-6871 to make the design smaller and shorterIntuitive shifting control2x11-speed

Superfeet Run Support Insoles Size:B the special conical and hollow