Santi Ladies' BZ200 Undersuit – Lightweight Thermal Comfort for Cold Water Drysuit Diving

The Santi Ladies' BZ200 Undersuit is a refined thermal layer designed specifically for women diving in cold or challenging environments. Featuring Thinsulate™ BZ200 insulation and a tailored female cut, it delivers optimal warmth, breathability, and flexibility under a drysuit. Whether you're on a long deco dive or exploring cold water wrecks, this dry suit undersuit ensures comfort and freedom of movement without excess bulk.

Key Features and Benefits

Thinsulate™ BZ200 Insulation
Retains warmth even when damp and resists water absorption - ideal for extended drysuit dives in cold conditions.

Breathable and Moisture-Resistant
Absorbs less than 1% of its weight in water, keeping the diver warm and dry.

Soft Inner Fleece Lining
Micropolar fleece (190 g/m²) provides additional insulation and soft contact against the skin.

Durable Outer Shell
Lightweight yet rugged 100% polyamide (6.6) fabric makes donning a drysuit easier and increases longevity.

Female-Specific Zipper System
Features a special zip opened from the back for added convenience during surface intervals and long dives.

Elastic Gussets and Cuffs
Windproof waist gusset and elastic inserts at the arms increase mobility and warmth retention.

Dry Glove Integration
Air supply tapes built into the sleeves help maintain glove inflation and comfort.

Practical Dive-Ready Details
Includes three pockets (one zippered), water-resistant cuffs, and 10 cm wide elastic ankle bands to keep the legs in place.

Detailed Description

Tailored for women who dive in cold conditions, the Santi BZ200 Ladies' Undersuit combines performance insulation with anatomical comfort. The Thinsulate™ BZ200 layer retains body heat while minimizing moisture retention, ensuring you stay warm and dry - even on longer dives or in humid conditions inside the suit.

Its smooth, abrasion-resistant polyamide shell glides effortlessly beneath any dry suit, while the soft Micropolar fleece inner layer enhances comfort against the skin or base layer. With a modern female-specific fit and enhanced flexibility at key movement points, this undersuit offers freedom without bulk.

The unique back-entry zipper improves practicality for female divers, while the integrated air-supply tape in the sleeves supports dry glove inflation. Combined with thoughtful additions like wide ankle bands, water-resistant cuffs, and ample pocket space, the BZ200 is ready for serious drysuit diving.

Specifications

Insulation: Thinsulate™ BZ200

Warmth Rating: 1.30 CLO

Weight: 210 g/m²

Outer Shell: 100% Polyamide (6.6)

Inner Lining: Micropolar fleece (190 g/m²)

Zipper: Female-specific back-entry zip

Gussets: Elastic inserts at waist and arms

Ankle Bands: 10 cm wide elastic

Cuffs: Water-resistant

Dry Glove Integration: Built-in air-supply tape

Pockets: 3 total (1 zippered)

Sizes: XS, S, SL, M, ML, MLL, LS, L, LL, XLS, XL, XXL (See the Size Chart Here, all measurements in centimeters)

Custom Fit: MTM (Made-to-Measure) available

Dive warmer, drier, and more comfortably with the Santi Ladies' BZ200 Undersuit - expertly tailored for female dry suit divers. Lightweight yet thermally efficient, it’s your essential layer for serious cold-water adventures. Choose your size or go MTM and stay warm where it counts.

Warranty Information:

SANTI gives 12 months warranty for undersuits and accessories, 2 years warranty for TIZIP used in a drysuit and 3 years warranty for dry suits. By joining the Stay Dry Club you may extend the warranty for drysuits for an additional 2 years. Drysuits warranty includes craftsmanship, seal of seams and fabric apart from: neck and wrist seals – 6 months warranty from date of purchase dry metal zipper, boots– 12 months warranty from date of purchase Note, that the warranty period counts from the moment the suit was purchased by the end user, so always keep the proof of purchase and ask for warranty card approval from the seller. We dive ourselves and we treat our clients seriously, so any small repairs that do not necessarily appear as a warranty will be done free of charge always when the suit comes to the SANTI service department.