You will find that short sleeves work great for active days when you need airflow.
diadora Core Running Crew Neck Long Sleeve Athletic T-Shirt Mens Size M Casual
A nice touch is the black ribbing at the cuffs for a snug fit.
Nike Running Shirt Dri Fit Blue Large Logo Breathable Size Mens L NWT
This Nike shirt has a classic crew neck that feels secure.
NWT Nike DM4646-871 Men Dri-Fit Rise 365 Trail Running Top Orange Trance Size M
Short sleeves make this shirt a solid choice for vacation packing due to their compact feel.
The North Face Men FLEX Li Short Sleeve T-SHIRT Running & Training A3055
A crew neck design means no buttons to fuss with, just pull it on and go.