De Soto's T1 First Wave Concept 5 Pullover is one of the fastest and most buoyant wetsuit tops on the market. This unique design features Yamamoto #39 SCS rubber with panels of 2mm for the body of the suit and 5mm thickness on the arms to maximize speed, flexibility, and ease of removal, while keeping you warm without overheating.

• 2mm: the most flexible rubber
    - Found on the entire torso, neck and shoulders
    - Maximizes reach, shoulder flexibility and arm rotation  
• 5mm: Found only on the arms
    - From the triceps to the wrists
    - Creates a larger surface area with which to push water
    - Creates an additional level of surface buoyancy
    - Assists reach and glide phase of the swim stroke
• 5mm: special forearm panels
    - Simplify the donning and removal of the suit
• Imported