Mizuno Wave Sky 4 Men's Running Shoe - Phantom/Castlerock/Safety Yellow Size:10.5 UK Long straw with bite valve

Long straw with bite valve

even when worn with swim caps

Water Resistant

The outer sock continues to draw any moisture away and also contains Lycra to offer you a better fit

Mizuno Wave Sky 4 Men's Running Shoe - Phantom/Castlerock/Safety Yellow Size:10.5 UK Long straw with bite valveThe Mizuno Wave Sky 4 Men's Running Shoe has supreme comfort that promotes lightweight performance with the help of its newly developed technology: Mizuno Enerzy. By inserting it in the heel wedge, it enhances cushioning and promotes better energy return. Combining it with XPOP, it amplifies the floating feeling that lasts through the longest runs. Mizuno FoamWave technology also enhances cushioning gives you ultra soft comfort while the engineered