Manufactured Using A Double Lined, Super-Soft, Flexible Neoprene Fabric. The Material Itself With Its High Elasticity And Ample Flexibility Properties, Is Machined Into A Pull On Tube. Designed To Fit Closely Against The Leg, The Base Of The Gaiter Is Then Stretched Over The Top Of The Boot To Provide A Seal That Helps Stop Water And Mud From Entering The Top Of The Boot. (Supplied In Pairs) *** Provides A Protective Second Skin. ***Stops Mud, Dust And Water Entering The Boot. ** See Our Amazon Shop "Prolineonline" To Order Colours ** Available Black Or Blue Or Red