On our recent 5-day rafting trip down the Yampa River, we needed lightweight and versatile clothing for wet, dry, hot and cool conditions. We found all of that in these shorts and tops from L.L.Bean:

Men's Swift River Swim Shorts from L.L.Bean great for day hikes and water dips
Men’s Swift River Swim Shorts from L.L.Bean great for day hikes and water dips
Women's No Fly Zone Field Tee for warm, cool and wet conditions
Women’s No Fly Zone Field Tee for warm, cool and wet conditions
Mens Classic Supplex Sport Short from LL Bean works in or out of the - good for gym workouts too
Mens Classic Supplex Sport Short from LL Bean works in or out of the – good for gym workouts too
L.L.Bean's Men's No Fly Zone Field Tee - great for all purposes, including the gym
L.L.Bean’s Men’s No Fly Zone Field Tee – great for all purposes, including the gym

Thanks L.L.Bean!