The North Face - Borealis Sling. Color Crater Aqua/Blue Moss. On sale for $44.80. MSRP $59.00.. 4.5 out of 5 starsAdd to favorites. 0 people have favorited this+10Brand NameThe North FaceProduct NameBorealis SlingColorCrater Aqua/Blue MossPrice$44.80MSRP: $59.0024% OFFRating5Rated 5 stars out of 5(599)