Socem Zilco Hamilton Rain Resistant Canvas Rug Electrolytes are lost during perspiration Electrolytes are lost during perspiration and must be quickly replenished to prevent stiff muscles support the recovery phase and keep the horse in good shape SocEm has been designed to be applied the night before competition so it will aid in keeping socks clean overnight and during travel For head turning brilliant socks use SocEm for your next competition Everyone with a competition horse or pony with socks knows the hard work it takes to get their socks clean and and then to try to keep their socks clean until the competition the next day