1thermal features the thermal helix is an updated version of the helix special zirconium liner absorbs little water and the catch panels have been changed to full neoprene 2 vo2 chest panels extremely buoyant yamamoto aerodome is split by a flexible panel improving buoyancy and stretch for better performance and easier breathing 3 quick exit legs2mm thin lower leg panels begin at the knee and flare out at the ankle for fast removal in t1 4 buoyant 5 4 4 the chest and torso panels use b