Quick Answer
Moisture barriers for hunting gear primarily utilize materials that offer a balance between breathability, water resistance, and durability. The best performing materials for this purpose are typically synthetic fabrics such as nylon or polyester, with Gore-Tex being a popular choice. These materials are effective at keeping moisture out while allowing for airflow.
Materials Evaluation Criteria
When evaluating materials for moisture barrier performance, consider the following factors: water column pressure, breathability, and weight. A material with high water column pressure (such as 20,000 mmH2O) will be more effective at keeping water out, while a higher breathability rating (e.g., 20,000 g/m2/24hr) will allow for greater airflow. Materials with a lower weight will be easier to carry on long hunts.
Popular Moisture Barrier Materials
Gore-Tex and similar ePTFE (expanded polytetrafluoroethylene) membranes are widely used in moisture barrier applications due to their high water column pressure (up to 28,000 mmH2O) and breathability. However, these materials can be expensive and may not be suitable for all budgets. Other options, such as eVent and similar ePTFE membranes, offer similar performance at a lower cost.
Additional Considerations
When selecting a moisture barrier material, also consider the fabric weight, weave, and treatment. A heavier fabric (e.g., 2 oz/yd^2) will be more durable but less breathable, while a lighter fabric (e.g., 1 oz/yd^2) will be more breathable but less durable. Waterproof and breathable treatments, such as DWR (durable water repellent), can also enhance moisture barrier performance.
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