Return/Refund

  • Please check the size chart carefully before placing your order.
  • All items on the website are made-to-order.
  • Made-to-order items are not eligible for return or refund due to:
    • Change of mind
    • Wrong size selection by the customer
  • You may request a size change within 24–48 hours after placing your order.
  • We do not accept size exchanges once the package has been shipped.
  • We offer free replacements for items that are:
    • Incorrectly shipped
    • Damaged
    • Defective
    • Misprinted
  • Replacement or refund requests for defective, damaged, misprinted, or incorrectly shipped items are subject to verification.
  • Actual garment measurements may vary by ±1/2 inch in length and/or width due to manufacturing tolerances. This is within international apparel production standards.
  • To request an exchange or report an issue:
    • Email grandslamph.com@gmail.com
    • Use the subject line "EXCHANGE ITEM"
    • Include the reason for the request
    • Attach a clear photo of the merchandise with a tape measure showing the dimensions (if applicable) for verification.