Straight Line Tracking keel design provides sure tracking, even on frozen, rutted trailsLightweight and durable (5.5 lb. with handle loop, mount shoe and keel blade)SLP's patented Rocker Keel designTuned flexibility with maximum strengthEven less steering effort than the original Ultra-Lite SkiAvailable in a range of colors, with black handle loopDesigned to accept SLP's chromoly keel blades and carbides for maximum reduction of dartingOrder ski mounting shoes, carbides and keel blades separatelyOrder trail riding/packed snow 4" carbides PART #4612-0183 and keel blade (or 5" carbide PART #35-120 with keel blade PART #35-121; see SLP runners and keels) for best trail performance; this reduces tracking and darting with minimal arm effortOrder loose-snow/mountain runners for reduced pushing in corners- (90° carbide PART #35-122 or 60° carbide PART #35-123; see SLP runners and keels)Skis sold each with black loop; order two for a pair391/2" L X 61/8" W