Finally, Ventilated Neoprene that Breathes! SMx VenTECH Girths are the new standard for equine comfort and technology with all the premium features you expect from a Professional's Choice product. The trade marked VenTECH technology features a ventilated, non-slip neoprene liner that conforms to your horse, allows heat and moisture to escape, and keeps your horse cool, comfortable, and performing at its best. The detachable neoprene liner peels away from webbing for easy washing.