Gul Womens Viper Yamamoto 654mm Chestzip Wetsuit - Black

GUL Viper 6/5/4mm Ladies Hooded Blindstitched Steamer

The Viper Hooded Steamer is your ultimate line of defence against freezing winter conditions. Designed and tested by coldwater specialists, it combines premium Japanese Yamamoto neoprene with advanced Graphene X thermal technology to lock in warmth without compromising flexibility.

Built for serious cold-water performance, the Viper keeps the cold out and seals the warmth in — delivering lasting comfort, durability and freedom of movement when it matters most.

The Details

• ABS Aqua Barrier chest entry: Reduces flushing and improves flexibility.
• PK stainless steel zipper (Size 8): Low-profile, corrosion-resistant closure.
• Pro Neck: Seam-free neck seal for comfort and water resistance.
• RevoFit 3D pattern technology: Anatomically contoured women’s fit.
• S-Seal liquid cuff & ankle seals: Minimises water entry.
• Bend back knee emboss: Enhances natural movement.
• C39 wind mesh kidney panel: Shields against wind chill.
• Twin-Cinch shoulder seal: Adjustable flush barrier system.
• Fixed hood: Integrated hood for maximum thermal protection.
• True Thickness foam: Foam measured before lamination for consistent insulation.
• Upper chest key loop: Secure storage for essentials.

Construction & Materials

• Glued & Blindstitched (GBS) seams: Durable, watertight seam construction.
• Yamamoto C39 neoprene: Premium non-petroleum Japanese neoprene for superior insulation and stretch.
• Pinstripe upper body: Hydrophobic X-Flex material that doesn’t hold water and is 15% lighter than standard X-Flex.
• Ripstop Lava lower body: 150% super-stretch flexibility.
• PowerTex4 knees: Reinforced durability in high-wear areas.
• Graphene X core panels: Advanced BoltDry-X thermal wicking insulation.
• ThermoSpan lining (lower body): Ultimate insulation and warmth retention.
• Micro2Flex lining (upper body & sleeves): Maximum freedom of movement.
• Lava Flow full internal taping: Fluid stretch seam reinforcement for watertight integrity.

Designed for extreme winter conditions, the Women’s Viper 6/5/4 Hooded Steamer delivers elite-level warmth, flexibility and durability for serious cold-water sessions.

Size Guide

How to Measure

Chest: Measure around the fullest part of your chest, keeping the tape horizontal.

Waist: Measure around the narrowest part of your waist (natural waistline).

Hips: Measure around the widest part of your hips and seat.

Fit tip: Your wetsuit should fit snugly for optimal warmth and performance. If you are between sizes, prioritise chest and height measurements.