Thanks to my knowledge gained in practice as an athlete, I can confidently say that these elastic sleeves are a game-changer. They don't slip OFF, provide excellent support and work well during rigorous sports and outdoors activities. I can keep my form intact while also preventing injury .However, the sizing can be a bit tricky, so it is important to measure before purchasing. Nonetheless, these sleeves are a must-have for any sports enthusiast looking to improve their game..See full review