Polar was created to help guide the eager, those who strive and have the courage to never settle. Become the pathfinder for those who cross constellations looking to make a difference in the world. Become the light of Polaris. Envision your milestones, break through them, and set PRs. Let Polar help you shine bright in the moments that will define who you are, a leader, the North Star. Hourglass Knee Sleeves feature an all new Patent Pending design with an hourglass-shaped center taper fit to help provide center knee compression while maintaining proper tightness around the calf and quad. Now offered in three unique stiffnesses (Flexi, Stiff and Rigor Mortis) to meet your desired compression both on and off the platform. We offer the sleeve in our classic stiffness now called Flexi and Stiff that you have come to enjoy in our Cone Knee Sleeves. Hourglass Knee Sleeves also introduce a new level of stiffness called Rigor Mortis which offer a level of stiffness, density, and squeeze in the calf, quad, and center knee joint unlike any sleeve before. Hourglass White Knee Sleeves for Weightlifting - Polar Feature: Double seams along the back to keep greater tension on the knee joint 7mm thickness (maximum allowable in most powerlifting federations) 30 cm length (maximum allowable in most powerlifting federations) Hourglass-shaped center taper fit, which applies greater tension at the knee joint Made with high quality neoprene and other materials Available in three stiffnesses: Flexi, Stiff, Rigor Mortis Comes in a convenient mesh bag Sold as a pair Rigor Mortis version features the stiffest and most dense neoprene USPA, IPL & IPF Approved and compliant with USAPL standards for competition How to put on your knee sleeves: Fold the top and/or the bottom of the knee sleeve to the outside. Put the sleeve on. Once you get to the calf, put your fingers (no thumbs) inside the bottom of the sleeve in a hook-like position. Your fingers should be wedged between your leg and the knee sleeve. Pull the sleeve up until the sleeve is over your knee joint. Optional (if the knee sleeve is still too low): Put your fingers (no thumbs) inside the top fold of the sleeve in a hook-like position. Your fingers should be wedged between the two layers of the sleeve. Pull the knee sleeve up. Unfold the top and the bottom of the sleeve and straighten the wrinkles.