If you buy something, we may earn an affiliate commission. Two years ago, the Levi's 501 turned 150, a landmark anniversary for the most iconic silhouette in denim. You’re probably familiar with ...

Its logo showed two horses trying and failing to pull apart a pair of their jeans. In 1934, Levi’s launched Lady Levi’s jeans. The original 501 jeans featured four pockets: two in front ...