WATUSI LIGHT INSULATED EXPEDITION SUIT

The WATUSI LIGHT SUIT an ISPO Award Winner is a technical expedition suit built for cold and wet conditions. Made from durable CORDURA® ripstop and reinforced with Vectran, it combines NIKWAX treated goose down and G LOFT® insulation to deliver maximum warmth, freedom of movement, and breathability. Ideal for fast ascents and high altitude expeditions.
Regular price 1.300,00 €
Regular price Sale price 1.300,00 €
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Fit: Regular
 Regular - Athletic fit
The garment is cut athletically in the chest, waist, hip and thigh areas to provide an ideal balance between function, freedom of movement and comfort. For jackets, midlayers and regular insulation layers fit easily underneath.
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7BYPDWV901

Color: B/Rose
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The WATUSI LIGHT SUIT an ISPO Award Winner is a technical expedition suit built for cold and wet conditions. Made from durable CORDURA® ripstop and reinforced with Vectran, it combines NIKWAX treated goose down and G LOFT® insulation to deliver maximum warmth, freedom of movement, and breathability. Ideal for fast ascents and high altitude expeditions.

The WATUSI LIGHT SUIT an ISPO Award Winner is a highly technical expedition suit designed for fast and light ascents and demanding expeditions in cold and wet environments. It delivers outstanding warmth, performance, and low weight through a hybrid insulation concept combining 800 cuin RDS certified, NIKWAX treated goose down with G LOFT® synthetic zones for optimal moisture control and quick drying performance.

Its durable CORDURA® ripstop outer fabric with DWR C0 finish provides reliable protection against wind and snow, while Vectran reinforced panels at key wear areas such as the seat, lower legs, and harness zones ensure maximum abrasion resistance. The ergonomic pattern with pre-shaped knees and shoulders guarantees unrestricted freedom of movement, while ventilation zippers on the arms and legs offer precise thermal regulation during high intensity activity.

A detachable, adjustable neoprene belt distributes weight to the hips, stabilizes the core, and increases wearing comfort. The helmet compatible hood, insulated collar, and glove friendly YKK® zippers provide protection and functionality in all weather conditions.

Weighing only 1381 grams, the Watusi Light Suit offers an exceptional balance of warmth, mobility, and packability. In combination with the Javari Gore Tex Shell Suit, it forms a modular expedition system that ensures maximum protection and performance even in harsh storms. The WATUSI LIGHT SUIT represents technical precision, reliability, and efficiency at the highest level of modern mountaineering.

Art.-Nr. 7BYPDWV901
Fit

Regular

Weight

1381 g / 48.7 oz

Material

Material
Outer fabric: 100% Nylon
Outer fabric 2: 100% Nylon
Outer fabric 3: 91% Nylon, 9% Vectran
Outer fabric 4: 75% Nylon, 25% Polyurethane
Lining: 100% Nylon
Filling: 90% Goose Down, 10% Feather
Filling 2: 100% Polyester

Weight: 1381 g

Brand details

Insulation & Materials
Hybrid insulation system combining G-LOFT® hydrophobic fibers with RDS-certified 800 cuin goose down (90/10)
NIKWAX® water-repellent down in dry zones for reliable warmth
3-layer woven ripstop with Vectran® for extreme tensile strength and outstanding abrasion resistance
Targeted reinforcements at harness, seat, lower leg, and boot zones
Lightweight and compact pack size – ideal for fast and light expeditions in variable alpine conditions

Hood & Collar
Helmet-compatible hood with full 3D adjustment
Insulated hood shield with soft lining for comfort and protection
High, warm collar design for optimal neck protection in harsh environments

Zippers & Adjustments
Two-way YKK® zippers with internal storm flap
Underarm and upper leg ventilation zippers for temperature regulation
Front rainbow zip for quick and easy access

Detachable, fully adjustable neoprene waist belt
– Transfers weight to the hips
– Adjustable for different body heights
– Keeps the kidney area warm and stabilizes the core

Pockets & Storage
Outer mesh pockets for easy access
Side pockets positioned for backpack compatibility, equipped with zipper garages
Inner zip pocket plus Lycra® mesh pocket
Comes with a separate compression bag for compact storage and transport

Cuffs & Finish
Sleeve cuffs with thumbhole openings for a secure fit
Soft lower leg finish for wearing comfortably inside boots
Elastic Lycra® edging at cuffs and hem
Reinforced stitching and a robust build for long-lasting durability

Protection & Climate Performance
Water-repellent outer fabrics protect against snow, wind, and moisture
Hybrid insulation provides reliable warmth even in damp conditions
Excellent breathability through air-permeable fabrics and strategic venting
Compact and lightweight – perfect for rapid ascents or as an emergency layer

Fit & Comfort
Ergonomic design with articulated knees, seat, and shoulders for unrestricted mobility
Athletic expedition fit for maximum thermal efficiency and freedom of movement
Detachable, adjustable neoprene waist belt ensures stability and comfort
Lightweight yet exceptionally warm – ideal for high-alpine missions

Reinforcements & Durability
Vectran® reinforcements in high-wear areas for superior strength and protection
CORDURA® ripstop fabric adds abrasion resistance and longevity
Reinforced stitching at key stress points enhances durability
Strategically placed G-LOFT® zones prevent down clumping and optimize moisture management

Feature Summary
A technical expedition suit engineered for fast and light ascents in cold, wet environments. Constructed with CORDURA® ripstop and Vectran® reinforcements, it combines 800 cuin NIKWAX-treated goose down with G-LOFT® insulation zones for exceptional warmth, durability, and breathability. Designed for professional alpinists and ambitious mountaineers, it can be worn as a standalone insulation suit or integrated with the Javari GORE-TEX® Shell Suit as part of a modular expedition system built to perform in extreme alpine conditions.

WASH & CARE INSTRUCTIONS FOR YOUR BLACKYAK PRODUCT

Blackyak products are developed using a range of technical materials. To allow your garment to function perfectly it is essential that the material is clean and has been properly maintained. Dirt, oil, salt and other invasive elements will impair functions, such as breathability, insulation & water repellancy. We suggest that you care for your functional clothing by washing it regularly and by following our simple instructions. We will show you how to care for your BLACKYAK products so that they perform perfectly for you, when you need them to.

WASHING INSTRUCTIONS

MERINO

Merino wool cools, warms, prevents strong odors, is soft and light. In addition, the care of the natural material is simple. In order to guarantee the longevity of the product, a few things should nevertheless be observed when washing.

WASHING

1 Close the zippers and turn the product inside out.

2 Use wool detergent (pH-neutral, without protease).

3 Normal wash cycle at 30° Celsius | 86° Fahrenheit

Warning: Do not use fabric softener or bleach!

DRYING

1 Air dry.

Warning: Do not dry the tube!

GORE-TEX® INFINIUM™

The comfort and function of GORE-TEX INFINIUM™ are well balanced. This ratio can be affected by permanent external influences such as fats, salts or other dirt. The care of the products ensures balance and full functionality.

Washing

1 Place the product in the washing machine with zippers closed, hook-and-loop fasteners loosened, and drawstrings loosened.

2 Do not wash together with other heavily soiled laundry.

3 Use liquid detergent for functional textiles.

4 Wash on a gentle cycle (max. 40 °C).

5 Rinse twice.

6 Spin at the lowest possible speed.

Warning: No fabric softener, no powder detergent, no stain remover, no bleach.

DRYING, IRONING & WATERPROOFING

1 DRY Air drying alternative: dry in dryer at warm temperature and low speed.

2 IRONING Alternatively to the dryer, the impregnation can also be reactivated by ironing (warm, without steam). Products with a permanently water-repellent surface must not be ironed! Place a cloth between the garment and the iron.

3 IMPREGNATION GORE® WINDSTOPPER®: If water no longer beads off, re-impregnate. Permanently water repellent surfaces: Wash and rinse twice. Do not reimpregnate

Warning: Do not dry hot.

GORE TEX®

High performance equipment requires regular care to ensure that all functions are fully maintained and that the longevity of the product is guaranteed. Because sweat, grease, oils and dirt reduce the range of functions. Therefore, all GORE-TEX® – GUARANTEED TO KEEP YOU DRY™ products should be washed and dried regularly. This ensures that no rain can penetrate even during the next use.

WASHING

1 Place the product in the washing machine with zippers closed, hook-and-loop fasteners loosened, and drawstrings loosened.

2 Do not wash together with other heavily soiled laundry.

3 Use liquid detergent for functional textiles.

4 Wash on a gentle cycle (max. 40 °C).

5 Rinse twice.

6 Spin at the lowest possible speed.

Warning: NO FABRIC SOFTENER, NO POWDER DETERGENT, NO STAIN REMOVER, NO BLEACH

DRYING, IRONING & WATERPROOFING

1 DRYING After air drying, tumble dry for 20 minutes. This reactivates the permanently water-repellent impregnation of the upper material.

2 IRONING Alternatively to the dryer, the impregnation can also be reactivated by ironing (warm, without steam). Place a cloth between the garment and the iron.

3 IMPREGNATION If the impregnation can no longer be activated by drying, it is advisable to apply a new impregnation.

DOWN

In order to maintain the insulating effect of the down in a product, it should be washed regularly. Wet and clotted down lose their bulking power, and thus their ability to store warm air. If lumps of down can already be seen from the outside or if an unpleasant odor can be detected, the down product should be washed.

That's how it works:

WASHING

1 Place the product in the washing machine by itself, with zippers closed, turned inside out, and with four down wash balls (alternatively tennis balls).

2 Use a special down detergent!

3 Wash on a gentle cycle (max. 30 °C) followed by a spin cycle.

4 Run an additional rinse cycle to remove all detergent residues.

5 Drying

Warning: no heavy-duty detergent, no fabric softener

DRYING

1 Place the product in the dryer separately from other laundry with four down wash balls (alternatively tennis balls).

2 Tumble dry for 60 minutes at 60 °C.

3 Allow to cool for at least 1 hour and shake occasionally.

4 Tumble dry again for 60 minutes.

5 Let the product cool down and check for residual moisture while cold.

6 If necessary, repeat the drying cycle.

Warning: do not air dry.

SYNTHETIC INSULATION

Every functional garment loses its performance through intensive use. Accordingly, garments should also be washed with synthetic insulation. The principle of regularity is as follows: as rarely as possible, as often as necessary. Sweat stains, dirt, odor and the way in which the product is used give information about when the product should be washed.

WASHING

1 Close zippers, loose velcro fasteners and drawstrings

2 Place the product in the washing machine turned inside out.

3 Use detergent for functional textiles (ideally a 2-in-1 wash-in waterproofing treatment).

4 Wash on a gentle cycle (max. 30 °C) followed by a spin cycle (max. 800 rpm).

Warning: no fabric softener, no bleach.

DRYING

1 Air dry, shaking regularly.

2 Dry in a dryer - at medium temperature in a gentle program with down washing balls (alternatively tennis balls)

Warning: Do not iron, do not steam, no direct heat.

CARE INSTRUCTIONS

PROPER WATERPROOFING

1. Put your clean jacket on a hanger and close all zippers

2. We recommend using waterproofing spray

3. Spray this evenly from approximately 15cm away

4. Wipe off possible surplus with a damp cloth

5. We recommend a second coat on stressed areas

6. Let it air dry before reusing it

PROPER STORAGE

1. Wash if necessary

2. Only store your garments clean

3. Let it ventilate and dry

4. Shell products should be stored hanging

DOWN 

1. Down products need to be stored dry and, if possible, in an airtight bag

2. DO NOT use the BLACKYAK packsack for storing - They are for transport only

3.DO NOT squeeze the product

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