Old Town Spray Skirt for all versions of the Otter solo model or Loon 120 model and the OT Sport Stoker kayak, all circa 2003, give or take (made before 2006). Assumed to fit cockpits approximately 18-19 inches wide by 38 to 43 inches long. The front edge is assumed to be rounded, as shown in the lower photo. May also fit pointed front edge in lower photo. Might fit similar to the Seals size 2.5.
