Fourth Element Proteus II 5mm Wetsuit

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The Fourth Element Proteus 5mm Wetsuit is the highest performing 5mm wetsuit in its class according to independent testers. The Hydrolock neck seal minimises water ingress combined with the Hexcore thermal lining to maximise warmth.

We love this suit and personally find it easy to get into and out of.  This is our summer suit here in Northland and even our overseas suit in the tropics in the cooler months. 

For divers with more mass than surface area (aka divers that don't feel the cold like us), then this suit will take you into the cooler months of the year too.

Key Features of the Fourth Element Proteus 5mm Wetsuit:

  • Improved fit and thermal performance
  • Hexcore thermal lining on torso
  • Thermoflex thermal lining throughout rest of suit
  • Taped, waterproof seams
  • Hydrolock neck seal system
  • Internal ankle seals
  • Glideskin wrist seals
  • Ultra stretch knee pads

Refer below for sizes.  We don't hold all stock of all of the sizes in our warehouse, so if there is a size that you would like then please let us know and we can order it in for you from the UK.

Sizes Height   Chest   Waist   Inside Leg*  
Inches Cm Inches Cm Inches Cm Inches Cm
XS Short 5'3"-5'6" 161-169 30-34" 76-86 23-27" 58-68 28.5-30.5" 73-77
XS 5'5"-5'8" 165-172.5 30-34" 76-86 23-27" 58-68 30-31.5" 76-80
S Short 5'5"-5'8" 165-172.5 34-38" 86-96 27-30.5" 68-78 30-31.5" 76-80
S 5'7"-5'10" 170-178 34-38" 86-96 27-30.5" 68-78 31-32.5" 79-83
S Tall 5'9"-6'0" 175.5-183 34-38" 86-96 27-30.5" 68-78 32.5-34" 82-86
M Short 5'7"-5'10" 170-178 38-41.5" 96-106 30.5-34.5" 78-88 31-32.5" 79-83
M 5'9"-6'0" 175.5-183 38-41.5" 96-106 30.5-34.5" 78-88 32.5-34" 82-86
M Tall 5'11"-6'2" 180.5-188 38-41.5" 96-106 30.5-34.5" 78-88 33.5-35" 85-89
L Short 5'9"-6'0" 175.5-183 41.5-45.5" 106-116 34.5-38.5" 88-98 32.5-34" 82-86
L 5'11"-6'2" 180.5-188 41.5-45.5" 106-116 34.5-38.5" 88-98 33.5-35" 85-89
L Tall 6'1"-6'4" 185.5-193 41.5-45.5" 106-116 34.5-38.5" 88-98 34.5-36" 88-92
XL Short 5'11"-6'2" 180.5-188 45.5-49.5" 116-126 38.5-42.5" 98-108 33.5-35" 85-89
XL 6'1"-6'4" 185.5-193 45.5-49.5" 116-126 38.5-42.5" 98-108 34.5-36" 88-92
XL Tall 6'3"-6'6" 190.5-198 45.5-49.5" 116-126 38.5-42.5" 98-108 36-37.5" 91-95
XXL Short 6'1"-6'4" 185.5-193 49.5-53.5" 126-136 42.5-46.5" 108-118 34.5-36" 88-92
XXL 6'3"-6'6" 190.5-198 49.5-53.5" 126-136 42.5-46.5" 108-118 36-37.5" 91-95
XXXL Short 6'3"-6'6" 190.5-198 53.5-57.5" 136-146 46.5-50.5" 118-128 36-37.5" 91-95
XXXL 6'5"-6'8" 195.5-203 53.5-57.5" 136-146 46.5-50.5" 118-128 37-38.5" 94-98

Customer Reviews

Based on 1 review
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D
Derek Simpson
Best 5mm suit

This is the most comfortable wet suit I've ever owned.
Great range of sizes and fit, fantastic flexibility and a huge range of movement.
Even though it's only 5mm it is extremely warm and super comfortable.
The neck seal is fantastic and stops that gush of cold water when you first get in the sea.
This is my number one choice for spring, summer and autumn diving.