Thinsulate B-200 and B-400 used by Santi have the best insulation ability and are certified (so-called US Navy approval) and used by US Navy. It is resistant to pressure, so it can be used for commercial and military diving. All Santi undersuits are guaranteed for 12 months.

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Santi BZ200 Warming Vest

200g Warming Vest to be worn underneath the main undersuit. The material used to make this Vest consists of three layers: micropolar, Thinsulate BZ 200 and Pertex as the outer layer.

£62.00

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Santi BZ200 Undersuit

Made of high class compressed Thinsulate BZ 200. This insulation absorbs less than 1% of its weight, so even in damp conditions it retains its insulating ability. This breathable material guarantees thermal balance of the diver's body.

£246.00

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Santi BZ400 Undersuit

Undersuit BZ 400 is the warmest one Santi offers. It is designed for diving in water temperature less than 7 degrees Celsius. It is also ideal for long deep diving, with decompression. Best divers and instructors from GUE helped to develop this Undersuit.

£279.00

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Santi BZ400 Undersuit - Ladies

Specifically designed and tailored for ladies with a "convinience zip". The BZ400 is the warmest undersuit Santi offers. It is designed for diving in water temperature less than 7 degrees Celsius. It is also ideal for long deep diving, with decompression.

£279.00

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DirDirect is a world-leading online dive shop run by Underwater Explorers based in Portland, Dorset, UK. Underwater Explorers is a dive centre with a striking difference. It was born out of the concept of "Hogarthian" diving, safe and streamlined equipment configuration, using the most robust products available for recreational and technical diving -- but at the same time, keeping it simple. It is based on the concept of "less is more" in diving and acts as an equipment outlet, training facility and source of sound advice.