GORE-TEX® laminate, no soaking (increase in weight) of the outer material in the rain, ultra fast drying, higher breathing capacity | GORE-TEX® Pro leather laminate with TFL COOL, at hind pants continuously covering hip and thigh sides down to the knee | ventilation with waterproof YKK zipper on the thigh | stretch material in the crotch | stretch insert in the waistband for greater comfort | stretch insert over seat and knee for optimum fit and mobility | leather reinforcement on the inside of the leg at the bottom | preparation for Braces DK | connector zip