Zipper at the neck at the help regulate the temperature

Built-in the external midfoot shank for added support

Fleece backed for added warmth

Adjustable drawcord at the hem to help keep the warmth in with zippered armpits for adjustable temperature control

Wide & 2X Wide Widths

Men's WaveMax Width:Medium - D Zipper at the neck atIntroducing the WaveMax, the newest model featuring Spiras WaveSpring Technology with an all new performance running Last for an industry leading fit. The WaveMax has a highly modern midsole geometry creating a smooth running experience with 21st Century cushioning. Perfect for the longest runs! For those who demand lighter weight, breathable, and performance Max Cushioning shoe. Features Modern gait assisting midsole geometry with a 34 mm Heel and 28