Lifetime kayaks feature a high-density polyethylene (HDPE) construction. The sit-on-top design has the rider's legs exposed and is well-suited for beginning and intermediate level kayaking. The 90150 also feature Lifetime's first kayak with an included sail kit. Now try wind-surfing and other water recreational activities with this new design. The 8-foot kayak length can seat up to 2 riders with a maximum weight capacity of 250 lbs. Order your Lifetime sit on top kayaks here.