Petite Accessory: Brown Leather Tote

Are there items that you think are essential to one's closet? I love brown leather totes, which I believe are a must. Finding the perfect one is a challenge, as the woman must consider size, weight, organization, closures, and hue (I'm partial to cognac).

Olivia Palermo; Dooney & Bourke Alto shopper; Clare Vivier "Tropizienne"

Street style via Elle; Oryany "Angeline;" Tory Burch

Paris Fashion Week 2011 by mr. cool pool; J.W. Hulme "Mini Excursion;" Oryany "Reese"