Kayak Instruction Inc. official t-shirts are now available. Choose from adult small, medium, large, Xlarge or XXlarge. Haynes 100% cotton with our logo and motto screened on for long lasting wear. Announce to the world that it is time to "Stop dreaming... Start Paddling!" Adult S-M-L-XLarge $10.00 Adult XXLarge $11.00 Shipping to all 50 states via USPS $2.50 per shirt. Shipping charges out of country will be higher.