Zoot Ultra 2.0 CRx Socks

Scientifically tested. Athlete approved. Zoot's Ultra 2.0 CRx Socks continue to top the charts as a favorite piece of gear by athletes all over the world. NEW - NanoGLIDE™ yarn knit into heel and toe reduces blistering and hot spots and keeps feet drier and more comfortable. Updated with graduated muscle-specific zones of compression to stabilize muscles, reduce damage during exercise, and improve performance. Keep your legs feeling fresh through training and racing with Zoot's Ultra 2.0 CRx Sock. See our Size Charts tab for circumferential sizing information. Fabric: NEW - NanoGLIDE™ yarn knit into heel and toe reduces blistering and hot spots and keeps feet drier and more comfortable CRx = improved blood circulation ZoneRx = increased oxygen delivery to muscles BIOwrap = targeted muscle stabilization Anatomically correct left and right foot construction allows targeted high-density cushioning where it's needed most Achilles tendon support protects and prevents irritable tendons Padded cushioning at heel and toe where maximum impact occurs Compressive arch support to promote blood flow out of the foot and reduce fatigue Seamless toe linking construction provides greater comfort Air-zone for breathability on top of the foot 18-30mmHg