Ultra-light, ultra-strong, ultra-quiet, never-sink HydroFoam construction. Revolutionary SmoothMove Dual-Keels and HollowCore Body. Includes 2 Active Drakes, 2 Rester Drakes, 2 Hens, and removable UpRight weights. 10.8 lbs/dozen weightless, and 15.6 lbs/dozen weighted.