Light weight and quick drying is the key here.  Cotton (like jeans) is, for me, a definite no.  

• Rain / wind jacket and pants, and shoe covers
• Down jacket (depending on season and destination)
• Thin fleece jacket
• 1 pr. hiking trousers
• 2 pr. hiking shorts
• 2 pr. padded cycle underwear
• 2 pr. undershorts
• 2 UV protection, longsleeved shirts
• 2 light weight polo shirts
• 2 light weight t-shirts
• 3 pr. socks for cycling
• 1 pr. wool socks in the sleeping bag
• Thin, light weight baseball cap
• Long and short finger cycling gloves
• 5-10 no cleat cycling shoes
• 1 pr. light weight sandals
• 1 face shield
• 1 fleece cap
• Mosquito head net
• Abus Urban I helmet