The waterproof, breathable Columbia Storm Surge Pants are treated with a durable water repellent finish DWR, so water beads up and sheds easily from the face of the jacket. Seam sealed yet breathable to keep you comfortable in stormy conditions. 100% nylon FD LTX shell fabric. 57% recycled polyester43% polyester mesh lining. Omni Techtechnology provides premium waterproofbreathable protection for our best outerwear garments. Microporous membranes keep water from penetrating the fabric, yet allow perspiration to escape so you stay dry. Waterproof. Breathable. Seam sealed. Drawcord adjustable elastic waist. Authentic fit is not too fitted, not too loose. Think Green eco friendly fabric content. Avg. inseam 31.