Knee guards with flexible, impact absorbing foam The Launch Pro Knee guards are trusted by some of the world's best riders. For 2019, they have been fully redesigned with CE certifications and flexible, impact-absorbing F3 Armor. They give you the confidence to attack even the most aggressive trails. They combine the comfort of soft slip-on style guards with the added security of hook and loop adjusters. So you get the perfect marriage of comfort and protection.