Stellar S18 EXP G2 The Stellar 18′ Expedition G2 (S18 EXP G2) is the latest iteration of one of the originals. Known for its great glide, stability and speed, keeping those highlights we tweaked the hull for additional efficiency, stability and capacity. The durable S18 EXP G2 comes standard with a keel strip and 4 hatches for adventures which makes it very popular for ultra-marathon kayak events as well. Whether expedition kayaking in unknown waters or a multi-day stage race, the rugged construction and ample storage of the S18 EXP G2 will get you there safely with grace and style. The S18 EXP G2 fits a wide range of paddler builds and has ample cockpit volume for large shoes to fit in.