Search Products > Knee Supports & Braces Safe-T-Sport® EZ-ON® Thermal Neoprene Universal Knee Wrap Series 37-307XXX Easy to apply or remove with simple wrap design. Ideal for swollen or injured knees. A removable rubber donut adds patella stability and improves patella tracking. Neoprene gives compression and therapeutic warmth. Fits range of sizes. Color: Navy. HCPCS Code: L1825 Series Sizes Fits 37-307 Universal 12 - 21" 37-307 Plus 20 - 30" Measure 4" above center of knee. Fits right or left.