Santi BZ400X Ladies First Undersuit



Santi BZ400X Ladies First Undersuit

The Santi BZ400X Ladies First Undersuit is a warm and comfortable Drysuit Underwear made with a great female design, cut and styling.

Santi’s Ladies First drysuit is the warmest thinsulate non-heated suit Santi Diving offers. New details proposal underlines the feminine look and goes in line with Ladies First drysuit. It is designed for diving in water temperature less than 7 degrees Celsius. It is also ideal for long deep diving, with decompression.

Thinsulate BZ 400 insulation is recommended by 3M as optimal for diving undersuits, because it is compressed and doesn’t take too much space under the dry suit. It also has a net layer, which makes the undersuit even more durable and practically indestructible. The lining is made of soft micropolar 190 gr.
The outside layer is made of polyamide additionally reinforced with polyester fabric in the areas exposed to damage.


  • three pockets including inside pocket
  • wide (10 cm) elastic ankle bands
  • waist belt
  • heating cable output
  • water-resistant cuffs
  • tapes, which supply air to the dry gloves
  • yoke and collar covered with softshell
  • two-way zip protected with a flap
  • back of the undersuit opened with round zipper
  • reinforcing patches made of polyester
  • elastic gussets in arms
  • suspenders
  • Thinsulate™ Insulation
  • in waist – elastic gusset made of windproof fabric
  • new design
  • wide back elastic belt

Colour detail options: pink, lime, grey:

Alterations:  We have found that the large majority of our Santi Diving suit purchasers are able to fit one of our standard size rental or stock suits with just a few alternations or modifications and given that the standard size suits include up to four alterations at no charge, it is much more economical and easier for Santi to focus on this rather than trying to complete a full MTM suit for people that don’t really need it. This allows you, the customer to try a stock suit at DDS and see for yourself the areas that may need modification and removes some of the risk involved with complete MTM products. Please note that the four measurement changes are limited to 4-5 cm in each alteration.

Please allow a minimum of 4-6 weeks for modified stock and at least 3 months for a made to measure undersuit.

Custom Fit is available at surcharge.

16 mens sizes and 12 female sizes in standard fit with MTM/Custom offered for people wanting a custom fitted suit.

Available sizes: XS,S,SL,M,ML,MLL,LS,L,LL,XLS, XL, XXL

Buy Santi Drysuits and Undergarments Online in Canada with Free Shipping from Dan’s Dive Shop, a Top Stocking North American Premium Santi Dealer.

Additional information

Weight 7 kg
Dimensions 34 × 26 × 18 cm

Custom Fit Upgrade, Double Extra Large, Extra Large, Extra Large Short, Extra Large Tall, Extra Small, Large, Large Short, Large Tall, Medium, Medium Large, Medium Large Tall, Medium Tall, Small, Small Tall


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