The North Face - Dune Sky Tank. Color Reef Waters White Heather. Low Stock. On sale for $35.72. MSRP $55.00.. 4.3 out of 5 stars7 left in stock+2Brand NameThe North FaceProduct NameDune Sky TankColorReef Waters White HeatherPrice$35.72MSRP: $55.00Rating4Rated 4 stars out of 5(3)