<p>Comfortable, casual and loose fitting, our heavyweight dark color t-shirt will quickly become one of your favorites. Made from 100% cotton, it wears well on anyone. We’ve double-needle stitched the bottom and sleeve hems for extra durability. Select a design from our marketplace or customize it to make it uniquely yours!</p>
<p>Size & Fit</p>
Face it - dopamine plays a big your in your attitude each day. Showcase your chemistry geek side with this chemical molecule of dopamine on any of these gifts. Caption says it all: "Neurotransmitter playing a role in sleep, mood, attention, learning, risk & reward." Let your scientific side shine with intelligent humor! Cognitive and chemical science fun for all who learn!