Kate Middleton could have worn anything for her family photos, but she chose something cozy, timeless and oh-so luxe: a Fair Isle sweater. Her exact Me + Em knit top is sold out in most sizes (and costs a steep $345), so we found 13 chic lookalikes that nail the aesthetic — and start at only $10. Like Middleton’s pick, these incredibly polished Fair Isle sweaters feature cashmere-like fabrics, intricate prints and refined color options. Our favorites from Amazon, Macy’s and the Gap balance regal vibes with alpine charm, making them perfect for the holidays, girls’ nights and après-ski moments....