KEEN - Revel IV Mid Polar. Color Magnet/North Atlantic. On sale for $108.00. MSRP $180.00.. 4.0 out of 5 stars+3Brand NameKEENProduct NameRevel IV Mid PolarGenderWomen'sColorMagnet/North AtlanticPrice$108.00MSRP: $180.00Rating4Rated 4 stars out of 5(28)