How to say “My son's backpack has reflective strips on it, which is a relief — he walks home from soccer practice in the dark.” in Japanese
In Japanese
息子のリュックには反射材がついてるから安心なの。サッカーの練習のあと、暗い中を歩いて帰ってくるから。
Musuko no ryukku ni wa hanshazai ga tsuiteru kara anshin na no. Sakkā no renshū no ato, kurai naka o aruite kaette kuru kara.