Elastic panels add extra comfort to these pants. A great choice for hiking, trekking, and other outdoor activities. - Curved model: waist and seat have a bigger difference in circumference than the basic model - Cotton polyester fabric provides protection from the wind, breathes well and dries really quickly when needed - Schoeller Dryskin material on the buttocks and knees - Ventilation zippers - Schoeller Keprotec reinforcements at the leg ends - Detachable hooks for attaching to shoelaces - Adjustable leg ends - Velcro adjustments at the waist - Two hand pockets - Two thigh pockets The cotton used in this product is organically produced and the polyester is recycled.