They designed these protective and comfortable shell ski pants to perform backcountry skiing and ski touring. The trusted 3-layer Helly Tech® Professional layer system is waterproof/breathable and windproof to shield you in changeable conditions. The fabric has 2-way stretch, a crotch gusset and an articulated cut for total freedom of movement. Ventilation zippers on the back thigh enable you to release heat when you’re working hard. Both the suspenders and the waist belt are adjustable and removable for a customized fit. Additional mountain-specific features include a Recco® transponder, reinforced insteps for rugged terrain and a thigh pocket for gear.