The Spyder Men's Dare Insulated Ski Pants are great to heat the slopes. It has SPYLON, a durable water repellent finish applied to the fabric exterior to prevent the garment from absorbing surface moisture. It also has the Xt. Laminate Is an ultra-thin membrane that delivers superior waterproofness and breathability. This technology results in pliable fabrics that are lightweight yet durable. XT.L benefits include stretch recovery, which maintains the integrity of the fabric after seasons of hard core use. THINSULATE insulation is constructed of unique microfibers, about ten times smaller than in other synthetics. These efficiently trap insulating air; reflect radiant body heat and deliver warmth two times greater than down and other polyester insulation, when equal thickness is compared. Full seam taping keeps moisture out. An Adjustable waist and removable high back suspenders ensure a good fit. Thigh vents allow excess heat to dissipate. Articulated knee construction allows a full free range of motion in the elements. Inner snow gaiters with gripper elastic and cuff anchors keep out the snow and moisture. Scuff guards protect these pants from boot damage. Large cargo pockets give you plenty of room to carry your stuff.