The Thermal Fusion is a high performance patented diving undergarment that maximizes warmth and provides unrivalled flexibility and fit.

Designed for use in extreme environments, the superior insulation value of the Thermal Fusion has been validated by independent testing.

Sizes available from 2XS to 4XL.



  • Thermal Fusion is recommended for use with all drysuits
  • Delivers extreme mobility and superior warmth
  • Integrated full-width ?kangaroo? hand pocket
  • Easy access comfort zip
  • Dual-layer Polartec material: outer stretch skin encapsulates inner thermal (fleece) core
  • ATS (Air Transfer System) with Hi-Flo mesh panels located at inflate/exhaust valve locations to increase airflow, padding and insulation
  • Thermal performance independently lab tested
  • THERMAL FUSION PAT. #2802998