Columbia Men's Big & Tall Ultimate ROC Pant, India Ink, 38x34. Zip closed security pocket. Variation Attributes: Size (38W x 34L). Omni shield advanced repellency. Omni shade upf 50 sun protection. Imported. A rugged outdoor pant in a soft, sand washed fabric, the ultimate roc is outfitted with upf 50 sun protection and an advanced water repellency treatment that shields you from rain and stains alike.