The endura fs260 pro sl leg warmer these endura fs260 pro sl water repellent leg warmers are perfect for when the temperatures begin to drop and you want to keep warm without sacrificing performance endura fs260 pro sl leg warmer features material 51 nylon 33 polyester 16 elastane thermolitereg fabric for exceptional warmth and insulation high performance repel treatment for fantastic durable water repellence raw edge upper with super fine silicone grippe