Here's my complete summer/mountain clothes list:

[TABLE]
[TR]
[TD]riding shorts[/TD]
[TD="align: right"]14.9[/TD]
[/TR]
[TR]
[TD]tech T shirts x2[/TD]
[TD="align: right"]8.0[/TD]
[/TR]
[TR]
[TD]padded under shorts x2[/TD]
[TD="align: right"]9.8[/TD]
[/TR]
[TR]
[TD]wool socks x2[/TD]
[TD="align: right"]4.0[/TD]
[/TR]
[TR]
[TD]swim/extra shorts[/TD]
[TD="align: right"]5.5[/TD]
[/TR]
[TR]
[TD]rain gear[/TD]
[TD="align: right"]17.9[/TD]
[/TR]
[TR]
[TD]down vest[/TD]
[TD="align: right"]7.1[/TD]
[/TR]
[TR]
[TD]fleece cap[/TD]
[TD="align: right"]1.5[/TD]
[/TR]
[TR]
[TD]merino pants[/TD]
[TD="align: right"]12.9[/TD]
[/TR]
[TR]
[TD]merino top[/TD]
[TD="align: right"]11.2[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]total weight in (ozs)[/TD]
[TD="align: right"]92.8[/TD]
[/TR]
[TR]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD]total weight (lbs)[/TD]
[TD="align: right"]5.8[/TD]
[/TR]
[TR]
[TD]base wear (lbs)[/TD]
[TD="align: right"]1.6[/TD]
[/TR]
[TR]
[TD]max carry clothes (lbs)[/TD]
[TD="align: right"]4.2[/TD]
[/TR]
[/TABLE]

This is what I carry for an extended trip that would include various summer climates. If I was doing a short bike-camping trip (with a specific weather report), or limited to tropical area, I'd cut down as warranted.