Betacraft Technidairy Parka Technidairy Rainwear Parka – Olive Green Ultimate acid resistance when your work demands it. 100% waterproof and extremely flexible. Lightweight, two-layered fabric Superior stretch and flexibility Acid resistant 100% windproof and waterproof Designed specifically to withstand the acids encountered by the dairy farmer. Technidairy is an extension of the Techniflex brand. It is 100% waterproof and is constructed using ultra-high frequency welded seams. Technidairy garments use the latest in European two-layer, lightweight fabrics with superior flexibility and stretch to provide the ultimate comfort and safety.