Unisex sizes Small through 5XL. Women's sizes are also available but ONLY through this Kickstarter, normal print runs of these shirts are unisex-only.
Unisex sizing (and available colors for custom shirts):
Yes! Just add $25 per shirt to your initial pledge, for any amount of shirts! No extra shipping costs, as a thank you to everyone participating in the Kickstarter. :)
Don't see the answer to your question? Ask the project creator directly.