The base layer (usually man made fibre) draws sweat away from the body (wicking) and allows the moisture to evaporate rather than turning into a puddle of sweat. In colder weather more layers are added, the second insulating layer is usually something fleecy, with the outer water/wind proof layer atop that.
Don't run in cotton T shirt, you will finish your run soaked and your t shirt twice as heavy!
I have various base layer type T's: Helly Hansen and Sugoi probably my favs. You can always buy relatively cheap non branded gear which is just as good I'm sure
Hi I was given a pair of bamboo fibre sports socks from someone looking to start making their own. They are pretty good, fit really well around the heel and don't stink after a good run. Not sure if they're available yet though.
I have a question, which is probably weird. I am looking for a running waterproof jacket. Here there're a lot of options obviously. I wear a size M for Men but I have a problem with my small wrist. Almost all jackets comes with a loose elastic band at the end of the sleeve. These...