When sourcing camping tent fabric, you must prioritize Denier (D) and Thread Count (T). A higher denier (e.g., 75D to 150D) indicates thicker, more durable fibers, while a higher thread count (e.g., 190T to 210T) signifies a denser weave. For high-performance gear, look for Ripstop patterns, which incorporate reinforced threads to prevent tears from spreading. Additionally, evaluate the Hydrostatic Head (HH) rating; a minimum of 1,500mm to 3,000mm is required for standard rain protection, while professional-grade fabrics should exceed 5,000mm.