Meticulously crafted for the demands of the trail, the comfortable yet technical Columbia Men's Trailhead Long Sleeve Shirt is built from soft and light cotton poplin with pack oriented venting in back and fine tuned side entry storage pockets that you can easily access, without unfastening your pack's sternum strap. Soft and light 100% cotton shell fabric. Modern, classic fit. Vented with 100% polyester mesh for temperature control on hot days. Roll up sleeves with tab holders. Multi functional pockets. Utility loop. Length: 30 center back. Import.