Limited info, But I wear Columbia Polyester zip off pants. Zip off meaning pant legs zip off and convert to shorts. They are lightweight and dry fast. I also like the bit of strech elastic in the sides. I wear nike and starter long and short sleeve polyester shirts. These buy the way are very cheap at wall mart. Columbia pants I bought at Dcks sporting. When it cools off I wear a MtSmith fleece covered by a Marmot Driclime windshirt. The Marmot driclime is worth every penny light and warm. If weather warents I use thermal long john baselayer as well. Mostly , when I stop for the day. Key is avoid cotton and dress in layers. I carry a light down vest as well. Generic smart wool socks with silk liners from walmart.
Wet climate I take my goretex rain gear. Happy Trails