Pippa Middleton in red plaid shirt on her bike in London on September 12

Pippa Middleton on her bike in London on September 12 2017

WHAT SHE WORE: Pippa wore red plaid shirt from Rails, black jeans and white Adidas sneakers

BUY:

SHIRT: RAILS HUNTOR BUTTON DOWN SHIRT WHITE/ROSE

SNEAKERS: ADIDAS STAN SMITH SNEAKERS