Check out Campmor.com. They have very good, competitive prices on all kinds of outdoor gear including clothes. They have Hot Deals that are hard to beat and web specials that are updated each week.
Great service. Never been disappointed with anything I have bought from them including pants.
I realize I live in the great Mid-South, Memphis, home to Cotton Row, but outdoorsmen will tell you that 100% cotton is not the way to go. Once you start sweating, cotton stays wet. Check out some hiking bargains on line at Campmor.