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When you're training for the Leadville 100 in the heat of the summer, throw on the Under Armour Mountain Catalyst shorts. These shorts are made from recycled plastic bottles and they have HeatGear moisture-transfer technology so you can stay cool while you do your part for the environment. A split leg increases mobility, while an anti-odor brief liner keeps the fungus from becoming offensive between miles 80 and 100.

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Favorite Pair of Shorts

    I have two pairs. I run 40-55 miles a week and these are my choice pair. Pros: (1) The length is perfect. A lot of running shorts are so short it feels like my junk is hanging out, shaking, etc. (2) The material feels good. I run in the heat and humidity. I sweat a lot and these feel light- not waterlogged like some pairs do. The band at top also doesn't dig into my skin. (3) It's made out of some recycled plastic. I'm a sucker for that green stuff.

    Cons: (1) I ripped one pair right the crotch jumping a fence. I ducktaped the slice and still the wear them. (2) I mentioned, I sweat a lot? You can see the sweat in the charcoal grey. By the middle of a long run, it looks like I peed myself by the darker outline.