The line-up: Shades of blue

Blazer, £610 and trousers, £400 Both Comme des Garçons from doverstreetmarket.com T-shirt, £5 From marksandspencer.com Denim brogues, £54.99 From riverisland.com Photograph: Patrick Small Photograph: guardian.co.uk Bomber jacket, £260; shirt, £109 and pleat-front trousers, £129 All from bstorelondon.com Suede desert boots, £230 From apc.fr Photograph: Patrick Small Photograph: guardian.co.uk Unstructured blazer, £129, trousers, £59 and suede boots, £129 All from www.cosstores.com T-shirt, £45 From apc.fr Photograph: Patrick Small Photograph: guardian.co.uk Sweatshirt, £25 From Gap 0800 427 789 Trousers £29.99 From riverisland.com Brogues, £155 From Russell & Bromley 020 7629 6903 Rucksack, £40 From debenhams.com Photograph: Patrick Small Photograph: guardian.co.uk Cardigan, £59 From asos.com T-shirt, £14.99 riverisland.com Silk trousers, from £280 By Dries Van Noten from Liberty 020 7734 1234 Brogues, £155 From Russell & Bromley 020 7629 6903 Photograph: Patrick Small