Product Information

All Santi products are guaranteed for 12 months and our Dry suits – for 3 years against workmanship and its tightness with the exception of neck seal and wrist seals (manshets) – 6-month guarantee from the date of purchase; dry zip and valves – 12-month guarantee from the date of purchase.

We dive ourselves and treat our customers seriously, that is why we can do small corrections (even if the correction has not been implied by producer’s fault) practically for life of the equipment.

Here are guidelines on how to choose the correct Santi undersuit for your needs.

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These are the dimensions.

These are the dimensions.

How to care for your undersuit:
Click here to download the care instructions

Thinsulate™ Insulation is made of micro fibers that are 1/1000th the size of a human hair. In the same space there are 1.000 Thinsulate™ micro fibers or 10 fibers of any other synthetic insulation. This means that effective area of Thinsulate™ micro fibers is 314.000 square millimeters, while the others – only 31.400 square millimeters. This thermal insulation is the most effective one (weight and size to warmth ratio) among all known ones at the moment.

Kinds of Thinsulate™ insulation Santi use:
B-200, B-400
CS-100, CS-150, CS-200, CS-250
Undersuits with Thinsulate™ CS-100 are recommended for sport and recreation diving rather during summer
CS-200 for deep diving
CS-150 has features of both CS-100 and CS-200 insulations, and that is why it is the most versatile one
CS-250 for extreme diving
THL-1, THL-2, THL-3 also known as Thinsulate™ Lite Loft.
Used by DUI company in 2004. It has the lowest weight to warmth ratio
FX-100 – Thinsulate™ – elastic, so-called Flex.
The main advantage is its elasticity, which gives exceptional elbow room.
FX-100 – recommended for sport and recreation diving rather during summer.
FX-200 – for deep diving.

Thinsulate™ B-200 and B-400 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.
Most of the European companies with a top producer C.Bear use Thinsulate™ CS group, while American and Canadian producers use B, FX and THL groups.
The kind of Thinsulate? used depends on water temperature, diving time, intensification, diving depth, etc.

Thinsulate™ from the B, C, THL and FX groups are water resistant, because it absorbs less than 1% of its weight in water and even in damp conditions it retains its insulating ability. It is a fully breathable material, giving optimal thermal comfort to a human body.
Thinsulate™ from the CS group should be quilted in widths of 10-25 cm (or 30-45 cm panels) or laminated. In case of quilting the insulation ability decreases by about 30%. You should remember that the more reduced the thickness of the fabric, the more decreased insulating ability. There is no such problem with the B group, but it is recommended to quilt B 400.

Materials used to make the outside layer: Taslan, Suplex, Pertex, Tactel – different kinds of high-class polyester fabrics.
Materials used for linings: different kinds of soft polyester fabrics, Treviva Microtherm, fleece.

What is CLO?  CLO is the measure of the ability of an insulation to keep you warm.  The CLO unit is defined as the amount of clothing required by a resting subject to be comfortable at a room temperature of 21°C (70°F), relative humidity <50% and air movement 20 ft/min19 If you are familiar with the tog rating system, 1.5 tog = CLO.9,16