REI Convertible Pants - nylon/cotton blend
Cotton T-Shirt
Cotton Socks
Ball cap
Leather/fabric REI Gore-Tex boots

Above is what I wear for hiking in fair weather. I know about cotton and cold, wet weather. That's why I bring the rest of the gear.

Coated nylon rain jacket, with hood
Coated nylon rain pants
Long sleeve fleece button-down shirt
Fleece vest
Fleece cap
Poly gloves
Wool/poly blend warm socks

This has been my basic outfit forever, with technology updates such as swapping fleece for wool.