The answer to wanting good quality, cheapish, plain cycling clothing is always La Passione.
Just looked at their collection.
Ewwwwwwww.
I'm not sure what's not to like (assuming you're after plain stuff).
The plain stuff is all rather garish colours, and their non-plain stuff has pretty ghastly patterns - camo sleeves? Yech.
@dglshrn started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
Just looked at their collection.
Ewwwwwwww.