Bought these and wore them once at Spider Mountain. No falls,, have been washed.
https://www.amazon.com/Fox-Racing-Launch-Guard-Medium/dp/B0033RUDYU/ref=sr_1_7?gclid=CjwKCAjwvJvpBRAtEiwAjLuRPTNBaUePbDO2k9Tm97JqzAB407IAhRrui6yu-RfrgnoCM6tO_gS5YhoCttcQAvD_BwE&hvadid=256442787077&hvdev=c&hvlocphy=9028309&hvnetw=g&hvpos=1t1&hvqmt=e&hvrand=14540500484357365802&hvtargid=aud-647846986281%3Akwd-393084951961&hydadcr=6592_9585053&keywords=fox+launch+pro+pads&qid=1562896943&s=gateway&sr=8-7
Size large
$30