1. Ukusebenza kokuvikela emanzini okungaphezu kuka-5,000 mmH2O ngaphansi kwezindinganiso zaseMelika (ASTM).

2. Ukuphefumula okungaphezu kuka-5,000 g/24h m2 ngaphansi kwezindinganiso zaseMelika (ASTM).

3. Yonke imithungo iyathayipwa.

4. Wonke ama-zipper awavikela emanzini.

5. Ukuphrintwa kwemigqa yokubonakala ephezulu emkhaleni ophakathi we-hood kanye namapheshana endololwane.