even on your longer runs

while its airy sole and leather lining keep steps light and free

Another variation on our popular sandal model HELEN

and an OrthoLite® footbed softens the shock of every step

flexible feel thanks to an exclusive TRUFOAM™ sole

KEEN REVEL IV HIGH POLAR WATERPROOF MEN'S COLOR_BROWN even on your longer runsHours of warm, dry feet on the coldest days. With a higher profile for deeper powder and our warmest insulation (rated to 40F), plus better grip on ice. Features Original Fit has generous space across the forefoot for toes to splay Heat Trapolator technology: Three layers of heat trapping materials underfoot 400g of KEEN. WARM Recycled P. E. T. insulation rated to 40F 40C Notch in back for Achilles movement and comfort Metal eyelets for added