The Prolimit Fusion steamer short arm wetsuit for men is the best mid-priced high-end performance short arm on the market. The vertical back zip has a dry seal which blocks the water from coming in. This suit has short arms to give you the most sun protection possible and the neoprene is 3mm thick.

Flatlock Construction
Airflex 500+ limestone neoprene
YKK Vertical Backzip
KED, Knee Elongation Design, freedom of movement
Q-Lining, Quantum Stretch
Aqua Alpha Waterbased Glue