The 4/3mm Dawn patrol features flash lining front and back panels, two engineered layers that funnel water rapidly out of the suit once it is hung. One of the warmest and comfortable linings available. 

Rip Curls  premium high stretch, lightweight neoprene provides 30% more stretch, and is 20% lighter and 10% warmer than E4.

e5 Tape added to high-stress points for increased strength and durability

Combination of E4 neoprene and Thermo Lining - offers stretch and warm.