Mixing sophistication and playfulness, preppy pieces with a twist give our Fall wardrobes serious pep. The look we're seeking is a cross between classic and a touch of the nouveau pop, the kind of basics that help offset our trendier gear, a là Jenna Lyons. Think stripes — lots of stripes — bright skirts, slim pants, and metallic oxfords to give our everyday looks a dapper edge. Click through to shop, and keep in mind we've kept it all under budget. There's nothing over $100 in this batch of goodies.