Damascus DM- Vortex II Gel-Core Hybrid Knee Pads. The Dkx2 Has A Unique Hybrid Construction That Combines High And Low Density Materials To Deliver Maximum ''cush'' While The Contoured Ergonomic Shape Offers Superior Knee Pad Support. Features Gel Foam Center Cores Which Contain Two Types Of Shock-absorbing Gels Bonded Together To Create Unsurpassed Comfort. The Gel Also Absorbs Body Weight And Disperses It Within The Pad. Package Contents: Damascus Vortex Ii Gel-core Hybrid Knee Pads Damascus DKX2-B: DM-DKX2-B Vortex II Gel-Core Hybrid Knee Pads