Alter Ego™ 15.0 Men's Textile OverpantDescription Details The Joe Rocket Canada Alter Ego 15. 0 waterproof textile overpant is constructed with a waterproof, breathable Rock Flex 900 outer shell with a 4 way stretch allowing for a better fit and less restrictive movement. For added protection we've reinforced the hips and knees with Rock Tex 1000 panels and included removable, height adjustable Vault Web C. E. approved knee protectors. Zippered panels on each leg can be removed to expose