XDeep Zeos Single Wing is made out of super resistant outer shell made from Cordura® 1100 dTEX so that your scuba gear will resist more and last longer. Inner bladder made from Nylon 440dTEX. Available in two sizes: 38lbs or 28lbs. XDeep Zeos Single Wing is made out of super resistant outer shell made from Cordura® 1100 dTEX so that your SCUBA gear will resist more and last longer. Inner bladder made from Nylon 440dTEX. XDeep Zeos wings for single cylinder diving are available in two sizes: Zeos 38 or Zeos 28. Too much lift can result in oversize and unwieldy wings, especially if you are not the world’s largest diver. Pick the wing that suits your own adventures.