Dry cryotherapy application method using a commercially available boot that encompasses the foot and pastern. Dry cryotherapy application method using a commercially available boot that encompasses the foot and pastern. Three malleable cryotherapy packs are attached directly to the internal surface of the internal loop and hook fastener layer (A). The packs and internal hook-and-loop fastener layer are then moulded to the hoof and pastern to incorporate the distal limb (B). The boot is finally secured with the outer elastic layer with hook-and-loop fastener flaps (C). Sagittal cut of distal limb demonstrating the arrangement of cryotherapy packs, temperature probes and inner hook-and-loop fasteners secured (D). Jessica Morgan et al. Vet Rec Open 2018;5:e000244 ©2018 by British Veterinary Association