$75, warehouse

It's rare to find a bag that's as roomy, errand-proof, iPad-accommodating, and perhaps most importantly (for me) Lego project-friendly as it is fantastically chic. And how about those red zippers?!

1. J.Crew embellished sweater, $398, jcrew.com
2. Whistles jacket, $206, whistles.co.uk
3. Warehouse tote bag, $75, warehouse.andotherbrands.com
4. Madewell flats, $98, madewell.com
5. Current/Elliot distressed jeans, $228, netaporter.com