透湿 とうしつ防水 ぼうすい せい素材 そざいだったら
tōshitsubōsui sei sozaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 透湿防水性素材

1. If it were a moisture-permeable waterproof material; If it's a moisture-permeable waterproof material

Tara Conditional