Source: Lululemon Athletica

Here are some few facts about lululemon yoga wear:

lululemon fabrics
Lululemon is dived into high impact, low impact and for outside. For high impact fabrics the common thread is that they pull the moisture away from the body. This allows your body to stay cool during yoga classes or running. Low impact fabrics feel natural against your skin and use cotton as a base. Outside fabrics are light and weightless, are wind-resistant and moves to your body when running.

lululemon features
Women clothing has interesting features. Some common features are gussets, cuffins, emergency hair elastics, and pockets.
Gussets is a diamond shape pattern that is inserted between the legs as means to inhibit shorts or pants from riding up.
Cuffins are simply built in mittens that are attached to long sleeve wear. It removes the added bulkage of mittens when you go for a run in the cold.
Emergency hair elastics are uses as zipper ties for many jackets. Simply take them off and wear.
Pockets are strategically placed on your yoga wear so that it does not interfere during your gym time, running or yoga stretches. Pockets are placed on the back and therefore out of the way.

Next time you shop for work out clothes, get lulu instead!