Grub's range of equestrian boots are specifically for riding. Whether you're on the horse or around the yard the Rideline 5.0™ offer the wearer comfort, grip and warmth, whilst being 100% waterproof and practical. 5mm INSUFOAM-ULTRA™ neoprene and ankle height rubber shell with a rubber patch on the inner calf - Adding to the comfort and warmth Grubs™ provides. OUTLINE™ Outsole - GRIP-GRID™ pad grips the stirrup for better heel position and greater control. Kick spur - Designed to keep spurs in place and help the wearer remove the boot with ease. Comfort range: -20°C to +20°C. Grubs Rideline Insulated Waterproof Riding Gumboots in Black and Blue