waterproof bib pants by fw for men. the fw manifest 2l wps bib pants are waterproof, lightweight, and offer perfect climate control. the polartech® powerstretch pro® fabric on the side of the bib provides freedom of movement, while roll-up gaiters and kick patches provide durability. these pants are designed with your next ride in mind. straps and pockets are positioned to stay out of the way of your backpack and harness.the next line is yours. dermizax membrane what makes this membrane special? you can rely on it in all conditions. it ensures that your garment is completely waterproof, windproof, and highly breathable. unlike gore-tex®, the dermizax membrane has no pores to clog. water-loving molecules transport moisture to the outside. the dermziax ev membrane is characterized by its high elasticity, which is over 200%. the membrane can be stretched in four different directions, up to twice its length.in addition, dermizax is made from polyurethane and is therefore 100% recyclable.