




PSI SeaBoot 5mm Diving Boots
The PSI SeaBoot 5mm Diving Boots are a great addition to any watersports wardrobe, offering warmth and reliable foot protection. Designed to keep your feet comfortable, they are ideal for activities such as scuba diving, surfing, wakeboarding, waterskiing, windsurfing, kiteboarding, kayaking, and recreational swimming.
- Tested by our instructors in Phuket waters
- Expert advice from real divers
- Service & maintenance available
Description
PSI Seaboot 5mm Diving Boots
The PSI SeaBoot 5mm Diving Boots are designed for divers who need extra warmth, protection, and durability without sacrificing comfort. Built for cooler water diving and tougher entry conditions, these boots combine a sturdy yet flexible outsole with lightweight construction for reliable performance in and out of the water.
Made from 5mm neoprene with nylon jersey fabric, the SeaBoot 5mm provides effective thermal insulation while remaining comfortable on the foot. A revised ankle diameter and contoured top improve overall fit and make the YKK zipper easier to use, allowing for quick donning and doffing.
Reinforced protection across the instep cushions the foot against fin pocket pressure, while the thick rubber sole extends to the toe for added durability. The non-marking, anti-slip outsole provides secure traction on wet decks and rocky shorelines, making these boots ideal for both boat and shore diving.
Key Features
✔️ 5mm neoprene with nylon jersey fabric for warmth and flexibility
✔️ Lightweight yet durable construction
✔️ Top-quality YKK plastic zipper for easy entry
✔️ Natural rubber instep reinforcement for added protection
✔️ Thick rubber sole with extended toe coverage
✔️ Non-marking, anti-slip outsole
✔️ Rear stopper for a secure fit
✔️ Custom logo printing available
Size Chart
Use the size chart below to help you choose the correct size.

Who It’s For
Ideal for recreational and training divers who dive in cooler water or require added foot protection. Well suited for shore diving, rocky entries, boat diving, and extended dive sessions where warmth and durability matter.
What Sets It Apart
The SeaBoot 5mm balances protection and comfort. Its reinforced instep reduces fin pressure, the improved zipper design enhances ease of use, and the non-marking outsole provides secure footing without damaging boat surfaces. Durable, practical, and comfortable, it’s built for regular diving use.
Learn More about PSI SeaWalk 3mm our Dive Boots Collection
Discover our full Dive Boots Collection and upgrade your dive gear today!
Learn more about PSI SeaWalk 3mm Diving Half Boots from the PSI official website.
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