A classic nautical look: beige bermuda shorts and navy t-shirt. My shorts were my mum's, a 1970's Gap style, but below I've found a very similar pair from Mango and a few ideas on how to wear them in the city with a denim shirts and twisted tan belt.
Mango bermuda shorts £49.90 John Lewis
Levi's denim shirt £70 John Lewis and
MR START TAN LEATHER belt £59.50
HM t-shirt, Gap bermuda shorts