55% Hemp 45% Organic Cotton 8.5oz jersey with low impact reactive dyes. Comfort and durability beyond belief. Then there’s the anti-microbial thing as well, so for your next trip, pack several of these. Even if it’s a trip outside to the garden, hou’ll love how the feel! Oh, and they have anti-UV qualities as well due to the structure of the hemp fiber, so cover up with our hemp Tees!