Seventhwave
Men's Viper Tri-John 2mm
The Viper Tri-John is a premium New Zealand made wetsuit, designed to deliver warmth, flexibility, and durability in the water. Proudly crafted in Christchurch from Yamamoto limestone neoprene, it’s a trusted choice for triathlons, open-water swimming, and surfing in warmer climates.
Key Features
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Optimised Performance Fit – Singlet-style arms and a high-neckline protect your core while allowing maximum shoulder and arm movement.
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Premium Yamamoto Neoprene – SCS panels on the chest and back reduce drag, displace water, and add warmth and wind protection.
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Durable Construction – 2mm Nylon Yamamoto neoprene in the legs offers long-lasting comfort and resilience.
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Flexible Flatlocked Seams – Designed for unrestricted movement and reduced chafing during long sessions.
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Custom Colour Options – Personalise your wetsuit with coloured leg panels to stand out on race day or in the surf lineup.
Why Choose the Viper Tri-John?
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Proudly NZ made wetsuit crafted with care since 1987
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Ideal for triathlons, ocean swimming, and surfing in warm water
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Can be worn solo or layered with a Hot Top or Jacket for added warmth
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Built from premium Japanese Yamamoto limestone neoprene for superior quality and performance
Swim, Surf, Perform
Whether you’re chasing personal bests in the open water, training for your next triathlon, or enjoying warm-water surf sessions, the Viper Tri-John wetsuit is built to keep you moving with confidence.
| Height (cm) | Weight (kg) | Chest (cm) | Waist (cm) | ||
| XS | 157-166 | 45-60 | 80-88 | 74-78 | |
| S | 162-171 | 55-70 | 86-94 | 76-84 | |
| M | 167-176 | 65-80 | 92-100 | 82-90 | |
| ML (Medium Large) | 167-176 | 70-85 | 98-106 | 88-96 | |
| MT (Medium Tall) |
172-181 | 70-85 | 92-100 | 82-90 | |
| L | 172-181 | 75-90 | 98-106 | 88-96 | |
| LL (Large Large) |
172-181 | 85-95 | 104-112 | 94-102 | |
| LT (Large Tall) |
177-186 | 85-95 | 98-106 | 88-96 | |
| XL | 177-186 | 85-100 | 104-112 | 94-102 | |
| 2XL | 179-189 | 90-115 | 110-118 | 100-108 | |
| 3XL | 185-192 | 95-120 | 116-124 | 106-114 |
| Height (ft) | Weight (lb) | Chest (in) | Waist (in) | ||
| XS | 5'2"-5'5" | 99-132 | 31-35 | 29-31 | |
| S | 5'4"-5'7" | 121-154 | 34-37 | 30-33 | |
| M | 5'6"-5'9" | 143-176 | 36-39 | 32-35 | |
| ML (Medium Large) | 5'6"-5'9" | 154-187 | 39-42 | 35-38 | |
| MT (Medium Tall) |
5'8"-5'11" | 154-187 | 36-39 | 32-35 | |
| L | 5'8"-5'11" | 165-198 | 39-42 | 35-38 | |
| LL (Large Large) |
5'8"-5'11" | 187-209 | 41-44 | 37-40 | |
| LT (Large Tall) |
5'10"-6'1" | 187-209 | 39-42 | 35-38 | |
| XL | 5'10"-6'1" | 187-220 | 41-44 | 37-40 | |
| 2XL | 5'11"-6'2" | 198-253 | 43-46 | 39-43 | |
| 3XL | 6'1"-6'4" | 209-264 | 46-49 | 42-45 |