Patagonia is an awesome outdoor activewear company. They offer a lifetime guarantee on all their products. My favorite products are their super thin and durable nano jackets and Black Hole duffel/travel bags and backpacks. Read my Patagonia reviews here.
Sizing: True to Size (TTS)
Discounts: 15% instructor discount – you have to apply for it and teach a minimum of 6 classes per week. More info and sign-up here.