Horseware Ice Vibe Knee Boots Black AquaIce Vibe massage and cryotherapy boots for limb care Combination of vibration and cold to promote circulation and muscle recovery Help reduce swelling and support tendons and joints Use before work without cold packs to stimulate circulation Use after exercise with cold packs to help cool the limbs Durable neoprene boots with elastic pockets for vibrating panels Massage panels with integrated rechargeable battery and controller Simple one button