Brixton Piper Hat in Blue. - size M (also in S,XS) Brixton Piper Hat in Blue. - size M (also in S,XS) 100% wool. Grosgrain band. BRIX-WA26. 00171 SMKBL. Inspired by music, culture and the people who surround them, Brixton Limited is the collaboration of three Southern California friends who wanted to convey their lifestyle through unique products. Created in 2004, the timeless and clean design of the Brixton collection is hard to duplicate and comes in a variety of styles that appeal to the individual in a modern yet traditional way.