Bobi Lightweight Jersey Open Shoulder Tee in Pink. - size XS (also in ) Bobi Lightweight Jersey Open Shoulder Tee in Pink. - size XS (also in ) 100% cotton. Jersey fabric. Shoulder cut-outs with tie closure. Side seam slits. BOBI-WS2065. 518 91122. Bobi is an LA-based line of dresses and tees made from some of the highest quality jersey at an affordable price.