Bobi Jersey Tee in Black. - size XS (also in S) Bobi Jersey Tee in Black. - size XS (also in S) 100% cotton. Made in China. Machine wash. Twist knot detail at hem. Lightweight jersey fabric. BOBI-WS2274. 53B-81158. Bobi is an LA-based line of dresses and tees made from some of the highest quality jersey at an affordable price.