KEEN - Revel IV Mid Polar. Color Black/Harbor Gray. Low Stock. On sale for $180.00. MSRP $190.00.. 3.9 out of 5 stars6 left in stock+3Brand NameKEENProduct NameRevel IV Mid PolarGenderWomen'sColorBlack/Harbor GrayPrice$180.00MSRP: $190.00Rating4Rated 4 stars out of 5(29)