Periods. We have them. We have to deal with the highs and lows of them, and we shouldn’t be ashamed or debilitated by them. Beyond the actual cramps, paranoia about leaking through pants is real. This anxiety can lead to canceled plans, especially if they involve physical activity. Thankfully, there’s a solution: period-proof activewear. While period underwear is now slightly more mainstream, leakproof workout clothes are still very rare to find. That’s where KT by Knix, the sister company of leakproof underwear brand Knix, steps in.