Proof Releases a New Sweatpant With Temperature-Regulating Fibers

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Proof — the California brand that specializes in performance fabrics that break the mold — just released a new sweatpant crated from a special technical fabric designed to maintain your body's core temperature at 99.5°F no matter the weather or activity. And on top of being straight out of the future, it doesn't skimp on fit or style either. 

If you're ready to give it a try or think it's a perfect gift for the impossible-to-shop-for person on your list, head right here to score.