The Nike Calm Mule is characterized minimalist slip-on design that allows you to put it on and take it off with ease. Design details include the adjustable side strap paired up with a supportive foam patch on the heel. Dressed in Black from top to bottom, the Nike Calm Mule features a foam upper with large slits trinagular-like slits on the medial side for some help in the ventilation department. Other details include the ribbed outsole and the “Nike” branding on the heels, insole, and underfoot.
