Superfeet Run Support Insoles Size:B The added plus of buoyancy

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

Double X bridge shape with inner and outer plate chamfering for smooth and fast shifting

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

designed to wick moisture up and out of sweaty locations

Seams: Mini-stitching: Minimalist stitching provides optimal comfort and reduces the risks of chafing

Superfeet Run Support Insoles Size:B The added plus of buoyancy