This opportunity is for a 60-month Indefinite Delivery contract to supply black liner socks (NSN 8440-01-415-5895) as a 100% Small Business Set-Aside. The contract will have five 12-month price tiers, with a guaranteed minimum of 136,000 pairs, an annual estimated quantity of 544,000 pairs per tier, and a contract maximum of 3,400,000 pairs. Performance is required at FOB Destination locations in Travis, Austin, TX, and Pendergrass, GA, with the first delivery order due 90 days after award. All materials and manufacturing must be Berry Amendment compliant, and offerors must submit Product Demonstration Models (PDMs) and past performance records with their proposals. The award will be based on Best Value/Trade Off, with technical factors and past performance considered more important than price.