Ven TECH ELITE SPORTS Medicine Boot. The NEW VenTECH Elite Sports Medicine Boot is the new standard for equine comfort with all the premium features you expect from a Professional's Choice product. The exclusive new VenTech Technology features a ventilated, linestone-base neoprene and perforated Ultrashock liner that better conforms to your horse. The perforation of both layers provides added stretch and flexibilty making this product more supportive and enhancing the fit wihile keeping dirt out.