. The North Face - Borealis Sling. Color Gardenia White Dark Heather/Gravel-NPF. $58.95. 4.5 out of 5 starsNew+9Brand NameThe North FaceProduct NameBorealis SlingColorGardenia White Dark Heather/Gravel-NPFPrice$58.95Rating4Rated 4 stars out of 5(390)