Hollis ST 22 Wing w/ SlotsThe new ST line of wings are a brand new series for single tank diving. The design features a 360 degree tapered profile, to increase lift towards the hips, promoting better horizontal trim in dive position while still allowing perfect surface floatation. The ST22 is designed for warm water dives in aluminum cylinders, where low lift and maximum streamlining is preferred. Alternatively the ST35 is an excellent choice for a go anywhere wing with the