Pac Sun 59 Chesterfield Mall Chesterfield, MO 63017 Phone : (636) 537-5205 Pac Sun Business Category Mens Clothing & Furnishings-Retail Sportswear Clothing-Retail Boys Clothing & Furnishings-Retail Apparel & Garments-Retail Pacific Sunwear 59 Chesterfield Mall Chesterfield, MO 63017 Phone : (636) 537-5205 Pacific Sunwear Business Category Specialty Products