I use a regular nursing bra plus a pump strap. I let down the front of my bra and can put the strap over my clothes. Pumpstrap compresses quite a bit so it helps me empty faster too. And since you only wear it to pump the compression doesnt cause clogged ducts.
Pump Strap Handsfree Strapless Pumping Bra for Breastfeeding Women, Easy Size-Adjustable Pumping Bra - Plus Size (DD/K) Beige https://www.amazon.com/dp/B01HAS6Q6Q/ref=cm_sw_r_cp_apan_glt_i_B6HY02PVC85G6Y1Y18A1