Functional clothing allows for light luggage as well as multiple use of the same piece of clothing. Our favorite is the Micro Puff Jacket from Patagonia, which has the best best heat-weight ratio. The filling insulates almost as well as down - and even when wet. It can be used while riding, at the campside or even at night for additional warmth.
Valve caps increase wind resistance and they aren't aerodynamic. It's better to take them off which saves about 10 watts per 100 km at 50 km/h.
With our platform Bikeapacking 101 we want to collect and share all helpful tips and tricks.
All the experience you have already gained is very valuable for beginners, advanced riders and also experts.