Increases speed and acceleration — race-proven formula

close-fitting

and stability where you need it

and have a double buckle design for better performance

as it regulates body temperature and prevents sweat

Hotronic Heat Socks Only Classic Comfort | Open Box Return _BFCM24Leki25 Increases speed and acceleration —Hotronic's XLP PFI 50 socks are integrated with Hotronic's heating elements allowing for maximum toe warmth and blood circulation. They are a wool blend and use BootDoc's Power Fit Technology to create a relatively gradual pressure distribution to enhance performance as well. These socks function as an additional set of heat socks or as a replacement pair to be used with your Hotronic XLP One battery. 1 pair of Classic Heat Socks XLP PFI 50 Socks