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The Henderson 5mm Thermoprene Men's Farmer John Wetsuit (SKU: A550MV) is a high-performance thermal bottom engineered for cold-to-temperate water scuba diving, commercial marine work, and surface watersports.
Built with Henderson’s high-stretch Thermoprene neoprene—delivering 75% more flexibility than standard neoprene—this sleeveless Farmer John suit provides substantial 5mm thermal core and leg insulation without binding upper-body movement or restricting arm extension.
It functions as a standalone long-john or pairs with a step-in jacket (such as a 5mm or 7mm shorty) for stacked dual-layer core protection in extreme thermal environments.
One of the most versatile systems in wetsuit design, the classic john and jacket combo gives divers the option of layering up for cold waters are using a single layer in warmer climates.
The base layer of this combo, the Thermoprene John is prized for its durability.
High-quality seam construction includes a sealing layer of GBS-glue that prevents water seepage and boots warmth.
The abrasion resistant Thermoprene material wears tough, fending off abuse from BC straps and weightbelts, yet dons easily thanks to 75-percent more stretch and a simple hook-and-loop closure at the shoulder.
Freedom Flex kneepads guard the lower leg from bumps and scrapes without inhibiting natural movements.
Divers seeking a great value will appreciate Thermoprene's balance of performance and price. The material combination delivers greater flexibility and improved features not found in standard neoprene wetsuits, yet at a reasonable cost, perfect for the cost-conscious buyer. Thermoprene is crafted from a high-quality neoprene and a low pill fabric. It has 75% more stretch than standard neoprene, so while it is not as flexible as Henderson's Thermoprene Pro or TherMAXX lines of products, it still boasts significant comfort characteristics. The 180% stretch Thermoprene is noticeably easy to don, pulling over the shoulders and around the torso with less huff and puff than standard wetsuits. Also, the fabric's exterior stands up extremely well to the wear of BC straps and weight belts with its pill/abrasion-resistant exterior laminate.
One of the most versatile systems in wetsuit design, the classic john and jacket combo gives divers the option of layering up for cold waters or using a single layer in warmer climates. The base layer of this combo, the Thermoprene 5mm John is prized for its durability. The John has seams that are glued and sewn, which seals off stitched areas and drastically reduces water entry. A simple hook-and-loop closure at the shoulder. Freedom Flex kneepads guard the lower leg from bumps and scrapes without inhibiting natural movements and the spine pad adds warmth. Each Henderson wetsuit benefits from five decades of design experience. The Thermoprene cut allows for an optimal fit while visually enhancing the diver's physique. Creature comforts include Spandex trim, spine and lumbar pads. Flexibility, comfort and core warmth are all hallmarks of the Thermoprene John. Suit is available in multiple sizes and is black in color.
5mm Thermoprene High-Stretch Neoprene: Features dense 5mm foam neoprene with 75% more stretch than traditional neoprene, delivering excellent heat retention alongside enhanced flexibility and comfort.
Sleeveless Farmer John Cut: Eliminates neoprene bulk around the shoulders to grant complete upper-body mobility during diving, paddling, or arm motion.
Hook-and-Loop Shoulder Entry: Built with heavy-duty adjustable hook-and-loop shoulder closures that make donning and doffing quick and straightforward without bulky zippers.
Modular Layering Versatility: Ideal as a standalone garment in moderate waters or paired with a step-in shorty/jacket (e.g., a 5mm front-zip shorty) to achieve 10mm of stacked dual-layer protection over the core torso in colder environments.
Glued & Blindstitched (GBS) Seams: Sealed seam construction prevents cold water from flushing through the stitch lines, locking in body warmth over extended underwater duration.
Freedom Flex Kneepads: Abrasion-resistant, flexible knee pads safeguard high-wear leg areas against wear from boat decks, rocks, and equipment while maintaining leg range of motion.
Anatomical Men's Fit: Ergonomically patterned to conform to male body contours, reducing excess material, minimizing water circulation, and preventing drag.
| Product Category | Dive Suits |
| SKU | HEN-A550MV |
| Condition | New |
| Brand | Henderson |
| More Info | TECH SPECS: MANUFACTURER - Henderson Aquatics MODEL / SKU - Thermoprene Men's 5mm Farmer John (SKU: A550MV) THICKNESS - 5 mm MATERIAL - Thermoprene High-Stretch Neoprene (75% Stretch) STYLE - Sleeveless Farmer John / Full Leg Bottom SEAM CONSTRUCTION - Glued & Blindstitched (GBS) CLOSURE SYSTEM - Adjustable Hook-and-Loop Shoulder Fasteners FIT TARGET - Men's Anatomical Cut PRIMARY USES - Cold-to-temperate scuba diving, commercial diving, boat maintenance, cold-water paddling, modular wetsuit layering 5mm Thermoprene High-Stretch Neoprene: Features dense 5mm foam neoprene with 75% more stretch than traditional neoprene, delivering excellent heat retention alongside enhanced flexibility and comfort. Sleeveless Farmer John Cut: Eliminates neoprene bulk around the shoulders to grant complete upper-body mobility during diving, paddling, or arm motion. Hook-and-Loop Shoulder Entry: Built with heavy-duty adjustable hook-and-loop shoulder closures that make donning and doffing quick and straightforward without bulky zippers. Modular Layering Versatility: Ideal as a standalone garment in moderate waters or paired with a step-in shorty/jacket (e.g., a 5mm front-zip shorty) to achieve 10mm of stacked dual-layer protection over the core torso in colder environments. Glued & Blindstitched (GBS) Seams: Sealed seam construction prevents cold water from flushing through the stitch lines, locking in body warmth over extended underwater duration. Freedom Flex Kneepads: Abrasion-resistant, flexible knee pads safeguard high-wear leg areas against wear from boat decks, rocks, and equipment while maintaining leg range of motion. Anatomical Men's Fit: Ergonomically patterned to conform to male body contours, reducing excess material, minimizing water circulation, and preventing drag. |
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By Anthony Cramer II on May 21, 2026 Verified Buyer
I’ve bought Henderson 5mm farm john, from y’all over the years, well from the Louisiana store. Never disappointed
Thank you for your feedback on this product.
