Prairie underground POP-up Pioneer Square RETAIL HOURSTUES-SAT 11AM-6PMSUNDAY 11AM-5PMCLOSED MONDAY ADDRESS206 1st Ave SSuite 130Seattle, WA 98104 (206) 860-4133 Prairie Underground is a women-owned sustainable clothing brand based in Seattle, WA. Since 2004, we’ve made organic, locally crafted clothing available for in-store shopping at our Belltown Seattle location.