The Zephyr is a mesh-lined, lightweight, paddling jacket designed to provide protection from the sun, rain, wind or splash. The polyester fabric helps it stay lighter, breather better, dry faster and aoid condensation for a dryer feel. The cut is designed to give plenty of freedom of movement and the mesh lining keeps the shell off of your skin keeping it more breathable and comfortable. The adjustable hook and loop closure at the wrists and neck can be worn loose for comfort or tightened down to keep water out. The low profile drawstring waist can be worn with a spray skirt to reduce bulk around the middle. 2 layer waterproof/breathable shell is treated with C6 DWR finish Fully taped seams Shell fabric: 2-layer recycled polyester Fabric Weight: 127 g/m2 Waterproofness (mm h2o_: 10,000 Breathability (g/m2/24h): 4,000 Weight: .89lbs (15 oz)