When you're warm, you can extend your cold water session to several hours. The Marathon Sessions 4/3 Chest-Zip is built for the most frigid temps. Thermal liners feature WarmFlight® Eco-Infrared for extra heat where and when you need it most. Plus, supreme stretch lets you push it harder.

Features

• Neoprene: STRETCHFlight ECO neoprene
• Thermal Smoothie on front and back panels
• Lining: WARMFLIGHT ECO INFRARED zoned thermal lining
• WarmFlight® ECO VELVET zoned thermal lining
• Seams: Liquide Flex Seal external
• GBS (glued and blind stitched) seams for maximum flexibility and minimal water entry
• Taped internal seams in critical zones
• Entry system: Chest zip entry
• Key loop
• AQUA GLUE eco-friendly lamination