Probably baking soda or something, really cool concept. Feeling The Weeknd track. PARDON LE DOPENESS x XO | Pardon Le Dopeness Clothes in the webstore are sick, a little pricey but they ship internationally for free from Canada so they're not terribly priced.
$200 for a one sized fits all sweat pant? For that much I better get blown everytime I have those pants on.