The lightweight Helly Hansen Men’s Icon Pants Trousers are highly breathable and waterproof. It is made in a four-way stretch fabric with 2-ply fabric construction. Its flexible primaloft insulation makes sure you keep warm and the slick -and-slide knee protects you from any sort of abrasion. The YKK Aqua guard water-resistant ventilation zippers are strategically placed on the pants to cool you down efficiently., 2 ply fabric construction., 4 way stretch full fabric., Slick and slide knee., Fully seam sealed., Fully insulated.