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Propelled by gravity into the downslope of a bowl, speed picking up, eyes on your line, you don’t have to worry if disaster strikes and you hit a run ruining rock, our Pro-Tec Ace EPS has you covered! Built for both skate and bike use the Ace EPS is dually certified by CPSC and CE standards so you know it can take a slam. On top of that the Ace features the most venting in the line with 16 open vents to keep you cool. The Krown Action Tri-pack is designed to take abuse from all types of action sports including skateboarding, bmxing, and inline skating. Includes KROWN Knee Pads, Elbow Pads, and Wrist Guards. See below for sizing instructions on the wrist/elbow/knee pads. To ensure a good wrist guard fit, measure hand circumference at the knuckles and match to the sizes listed: L 9.0 – 10.0 inches. To ensure a good knee pad fit, measure the circumference of your extended knee and match to the sizes listed: L 15 – 18 inches. To ensure a good elbow pad fit, measure the circumference of your elbow with your arm outstretched and match to the sizes listed: L 10 – 12 inches.