REI For Gore-Tex Hooded Waterproof Rain Zip Jacket in a Size Men’s Small We've all heard of GORE-TEX, but what makes this fascinating fabric so special? Essentially, GORE-TEX can be defined as a highly durable, breathable, waterproof and windproof fabric. That's why you've likely found it being used to make outdoor clothing, footwear and accessories. GORE-TEX is made from expanded polytetrafluoroethylene - or PTFE for short. GORE-TEX is a fabric that blocks rain. However, its a fabric that blocks rain whilst also allowing sweat to escape. This jacket also has 4 front pockets One hidden pocket Adjustable cinch hem Adjustable hood Vented underarms Excellent pre-owned condition. No rips or stains.