LeMieux Cold Water BootsSimple & easy way to cool legs after XC, work or injury. Unique water reactive crystals within boots swell & retain cold when soaked in water. Contoured shape supports the fetlock & tendon preventing slipping. Always consult vet if symptoms persist. Can be re used multiple times. Sold in Pairs. Non Slip Soak for 2 4 hours prior to first use or after long periods in dry storage Some residue may appear on the surface of the boot, this is not harmful and