The prAna Brea Short is a delightfully soft yoga and cross training dream. Moisture wicking and stretch properties are enhanced by a design that allows full range of motion, while an interior key pocket lets you unobtrusively secure a car or house key when you step out for a run. The Brea meets the bluesign standard for environmentally safe production processes. Mid rise. Shell: 87% Polyester, 13% Spandex. Trim: 55% Tactel Nylon, 40% Polyester, 5% Spandex.