O2 Rainwear Microporous Film is a very inexpensive, yet high-performance laminate that has the best combination of water holdout and breathability of any fabric on the market today. Our Microporous Film is thin and lightweight, making O2 Rainwear™ easy to pack and for people to bring with the them. But the greatest aspect of Rain Shield, Inc.'s O2 Rainwear™ is its affordability - allowing people to experience this outstanding comfort and protection at the same price as non-breathable, rubber, plastic, and PVC-coated garments. No Wet, No Sweat! We have a continuously expanding line of the O2 branded rain jackets, rain suits, and bibs. We can also decorate our garments with waterproof embroidery and special packaging for ASI and promotional applications. Please check out our Product Catalog to see what the best product is for such activities.
The use of polypropylene was a key factor because it is very inexpensive compared to materials used for brand-named waterproof and breathable membranes, such as Teflon and polyurethane.
By 1987, the process for making the polypropylene membrane was perfected as it achieved the same levels of water hold-out and breathability found in more expensive garments.
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