The North Face - Borealis Sling. Color Gardenia White Dark Heather/Gravel-NPF. $59.00. 4.5 out of 5 starsAdd to favorites. 0 people have favorited this+9Brand NameThe North FaceProduct NameBorealis SlingColorGardenia White Dark Heather/Gravel-NPFPrice$59.00Rating4Rated 4 stars out of 5(548)