From an art and design perspective, I find soccer jerseys are a tremendous source of inspiration. For new and recent jerseys, subside.co.uk is a great place to scan the latest looks of the world’s clubs. And for vintage shirts, I fancy classicfootballshirts.co.uk; you’ll find hours of eye-popping color combinations and patterns there.
I don’t know where else you’d find the wigged-out, op-art splendor of the 1995 Yokohama Flugels shirt and Manchester City’s 1998 away shirt. Brilliant stuff!