F'N Lite neoprene made with air cell-rich limestone for lightweight warmth
- Thermal Smoothie on back panel - wind and water repellent to keep you warmer
- WarmFlight® Far-Infrared thermal lining on back panel - transforming body heat into infrared energy to generate warmth
- Triple glued & blind stitched (GBS) seams reduce sew throughs & water entry
- Chest zip entry system with PK® #8 plastic zip
