ISAAC Foundation ships all items via USPS. Purchaser is responsible for all USPS charges associated with shipping of purchased items. Expedited shipping is only available at the request of the purchaser. ISAAC Foundation will accept, for return or exchange, items that are in new condition, unworn, unaltered and free of damage by purchaser. (Weighted products excluded). For a full refund or exchange, return your item within 14 days from the receipt of the original order. Items cannot be returned or exchanged after 14 days from the receipt of original order. If correct size is not available, a refund will be provided to the purchaser.