The NoSoX Rex Slip-On Sneaker is a new kind of slip-on with an unmistakable footprint. Cool and comfortable, this slip-on is bound to come in handy when the heat kicks in. With clean lines and tonal color-ways, you can throw these on with almost anything. Memory Foam insole Lightweight, spongy Eleprint sole. Size: 8.5 M. Color: Black Fabric. Gender: Male. Age Group: Adult.