Stay fresh, stay clean. Automate the delivery of your shirts, socks, and underwear. Starting at just $7. Manpacks is a subscription service to automate delivery of essential clothing such as socks, underwear, and t-shirts. You will receive your chosen package every 3 months, starting with your first order (shipped within 2-3 weeks of the date of your order) and be billed every 3 months with the arrival of each package.