capri pants

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun plural Tight-fitting, calf-length pants, often having a slit on the outside of the leg bottoms.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Casual pants or trousers, usually for women, with the bottom hem reaching to below the knee but above the ankle; usually lightweight and summery.