We have developed this sea rash guard for men to comfortably discover the coastal seabed for 40 minutes in waters >21°C User comfort: 1.5 mm neoprene across the entire upper body for minute sessions at 21°C. Easy dressing: Front zip offering a wide opening and an easier donning of the sleeves. Sun protection: UPF 50 top with long sleeves to protect the whole upper body. Freedom of movement: The fabric (polyamide/elastane) sleeves make swimming movements easier