Hollis DT 45 Dual WingThe DT line of wings are another brand new series designed for double cylinders. The DT50 features a 360 degree tapered profile for heavier cylinders, to increase lift towards the hips, promoting better horizontal trim in dive position while still allowing perfect surface floatation. While the DT45 Dual features a more consistent 360 degree floatation for lighter aluminum cylinders with a redundant air cell. Target audience for the DT45 dual is warm