EN ISO 20471 (High Visibility Clothing)

Helly Hansen

SKU:HH-79794_369-STD

HELLY HANSEN W ALNA 2.0 MATERNITY EXTENSION 79794 Work Accessory - YKK Zipper Compatible

In stock · delivery in 2–4 business days · 100+ in stock

Free deliveryon orders over €50Free returnin 30 days

€28,50€23,55 excl. VAT~~€30,00~~ ~~€24,79~~ €23,55 excl. VAT for business →

Color YELLOW/EBONY

YELLOW/EBONY

Size STD

STD

Helly Hansen Size Chart

Helly Hansen Workwear Size Chart

How to Measure

Helly Hansen measuring points — Typical measuring points for Helly Hansen workwear.

Body height: Stand upright against a wall and measure from the top of your head to the floor.

Chest: Measure around the fullest part of your chest, keeping the tape horizontal and under your arms.

Waist (at belly-button height): Measure around your natural waist at navel level, where your body bends side to side.

Waistband: Measure where your trouser waistband normally sits.

Hip: Stand with feet together and measure around the fullest part of your hips and seat.

Inseam: Measure from the crotch straight down the inside of the leg to the floor (or to where you want the hem to end).

All size tables below are based on body measurements in centimeters (cm), not garment dimensions.

Tip: Measure over light clothing. If you are between two sizes, Helly Hansen recommends choosing the larger size for extra comfort and freedom of movement.

Helly Hansen Workwear – Men / EU Regular & Tall (cm)

Sizes are shown in Helly Hansen C-sizes (e.g. C50). Check the size label on your garment, then match it in the table. Waist‡ is at belly-button height. Waistband§ is where your trouser waistband normally sits.

Size (C)	Body height	Chest	Waist‡	Waistband§	Hip	Inseam	Inseam tall*
C44	170	88	76	80	88	79	84
C46	174	92	80	84	92	80	85
C48	180	96	84	88	96	81	86
C50	180	100	88	92	100	82	87
C52	184	104	92	96	104	83	88
C54	184	108	96	100	108	84	89
C56	188	112	100	104	112	85	90
C58	188	116	104	108	116	86	91
C60	192	120	108	112	120	87	92
C62	192	124	112	116	124	87	92
C64	194	128	116	120	128	88	93
C66	194	132	120	124	132	88	93
C68	194	136	124	128	136	88	93
C70	194	140	128	132	140	88	93
C72	194	144	132	136	144	88	93
C74	194	148	136	140	148	88	93
C76	194	152	140	144	152	88	93
C78	194	156	144	148	156	88	93

*Most Helly Hansen Workwear C-sized and D-sized pants can be extended by unpicking a seam at the bottom hem.

Helly Hansen Workwear – Women / EU Regular & Tall (cm)

Sizes are shown in women’s C-sizes (C34–C68). Check the C-size on the garment label and match it below.

Size (C)	Body height	Chest	Waist‡	Hip	Inseam	Inseam tall*
C34	156	80	65	88	74	79
C36	160	84	68	92	76	81
C38	164	88	72	96	78	83
C40	168	92	76	100	80	85
C42	170	96	80	104	81	86
C44	172	100	84	108	82	87
C46	174	104	88	112	83	88
C48	174	108	93	116	83	88
C50	176	112	98	120	84	89
C52	176	116	103	124	84	89
C54	178	120	108	128	85	90
C56	178	124	113	132	85	90
C58	178	128	118	136	85	90
C60	178	132	123	140	85	90
C62	178	136	128	144	85	90
C64	178	140	133	148	85	90
C66	178	144	138	152	85	90
C68	178	148	143	156	85	90

*Tall inseam applies to styles marked as tall. ‡Waist at belly-button height.

Ordering for a crew? Add your VAT number and this boot drops to business pricing, even at quantity one.

EN ISO 20471 (High Visibility Clothing)EN 343 (Protection against rain)

Description

HELLY HANSEN W ALNA 2.0 MATERNITY EXTENSION Work Accessory

The Helly Hansen W Alna 2.0 Maternity Extension is designed for expectant mothers working in demanding environments who need superior comfort, functionality, and safety. Featuring YKK® zipper compatibility, this innovative accessory allows you to extend your existing work jacket for a comfortable maternity fit. Engineered with high-visibility materials and advanced waterproofing, this extension is certified for use in all weather conditions and demanding worksites. Make workwear work for you—without compromising on safety or style during pregnancy.

Key Features

Designed for maternity: Easily extends work jackets for expectant mothers
Compatible: YKK® zipper and attachment points ensure seamless compatibility with Helly Hansen jacket sizes
High-visibility: Meets EN ISO 20471 (Class 2) for superior safety in low-light conditions
Weather protection: Certified to EN 343 for waterproof and water-repellent performance
Durable material: 100% polyester shell, 215g/m², with AMANN threads for extended life
Versatile use: Suitable for all seasons
Lightweight: Weighs only 90g for comfort and ease of movement
Professional appearance: Available in high-visibility yellow/black color combination

Certification

EN ISO 20471:2013 (Class 2) – High Visibility Clothing:
- This standard certifies garments for high visibility; Class 2 provides a high degree of visibility with medium background material and reflective tape.
EN 343:2019 (3,3,X) – Protection Against Rain:
- Water Penetration Resistance (3): Highest level, provides maximum waterproof protection.
- Water Vapour Resistance (3): Highest level, ensures breathability and comfort during prolonged wear.
- Additional Test (X): Not tested for the third criterion.

Specifications Table

Collection	Accessories
Flame Retardant	No
Chemical Resistant	No
High Visibility	Yes (Class 2)
Certifications	EN ISO 20471, EN 343
Seasonality	All-Season
Colors	Yellow, Black
Waterproof	Yes
Water Repellent	Yes
Material	100% Polyester
Material Description	Shell: 100% Polyester, 215 g/m²
Gender	Womens
Product Weight	90 g
Compatible With	Helly Hansen jackets (via YKK® zipper)
Product Size	STD

Instructions and Care

Tumble dry garment to reactivate water repellent treatment
Use liquid detergent and wash with similar colors
Machine wash in lukewarm water (40°C)
Do not bleach
Tumble dry on low heat
Do not iron
Do not dry clean

Specifications

Certification EN ISO 20471 (High Visibility Clothing) EN 343 (Protection against rain) Sizes STD – STD Hi-vis class Class 2 Material 100% polyester Weight 215 Season All-Season

Shipping & returns

Shipping in 1-4 days. Free return in 30 days. Exact shipping details are shown at checkout.

Size (C)	Body height	Chest	Waist‡	Waistband§	Hip	Inseam	Inseam tall*
C44	170	88	76	80	88	79	84
C46	174	92	80	84	92	80	85
C48	180	96	84	88	96	81	86
C50	180	100	88	92	100	82	87
C52	184	104	92	96	104	83	88
C54	184	108	96	100	108	84	89
C56	188	112	100	104	112	85	90
C58	188	116	104	108	116	86	91
C60	192	120	108	112	120	87	92
C62	192	124	112	116	124	87	92
C64	194	128	116	120	128	88	93
C66	194	132	120	124	132	88	93
C68	194	136	124	128	136	88	93
C70	194	140	128	132	140	88	93
C72	194	144	132	136	144	88	93
C74	194	148	136	140	148	88	93
C76	194	152	140	144	152	88	93
C78	194	156	144	148	156	88	93

Size (C)	Body height	Chest	Waist‡	Hip	Inseam	Inseam tall*
C34	156	80	65	88	74	79
C36	160	84	68	92	76	81
C38	164	88	72	96	78	83
C40	168	92	76	100	80	85
C42	170	96	80	104	81	86
C44	172	100	84	108	82	87
C46	174	104	88	112	83	88
C48	174	108	93	116	83	88
C50	176	112	98	120	84	89
C52	176	116	103	124	84	89
C54	178	120	108	128	85	90
C56	178	124	113	132	85	90
C58	178	128	118	136	85	90
C60	178	132	123	140	85	90
C62	178	136	128	144	85	90
C64	178	140	133	148	85	90
C66	178	144	138	152	85	90
C68	178	148	143	156	85	90

Size (C)	Body height	Chest	Waist‡	Waistband§	Hip	Inseam	Inseam tall*
C44	170	88	76	80	88	79	84
C46	174	92	80	84	92	80	85
C48	180	96	84	88	96	81	86
C50	180	100	88	92	100	82	87
C52	184	104	92	96	104	83	88
C54	184	108	96	100	108	84	89
C56	188	112	100	104	112	85	90
C58	188	116	104	108	116	86	91
C60	192	120	108	112	120	87	92
C62	192	124	112	116	124	87	92
C64	194	128	116	120	128	88	93
C66	194	132	120	124	132	88	93
C68	194	136	124	128	136	88	93
C70	194	140	128	132	140	88	93
C72	194	144	132	136	144	88	93
C74	194	148	136	140	148	88	93
C76	194	152	140	144	152	88	93
C78	194	156	144	148	156	88	93

Size (C)	Body height	Chest	Waist‡	Hip	Inseam	Inseam tall*
C34	156	80	65	88	74	79
C36	160	84	68	92	76	81
C38	164	88	72	96	78	83
C40	168	92	76	100	80	85
C42	170	96	80	104	81	86
C44	172	100	84	108	82	87
C46	174	104	88	112	83	88
C48	174	108	93	116	83	88
C50	176	112	98	120	84	89
C52	176	116	103	124	84	89
C54	178	120	108	128	85	90
C56	178	124	113	132	85	90
C58	178	128	118	136	85	90
C60	178	132	123	140	85	90
C62	178	136	128	144	85	90
C64	178	140	133	148	85	90
C66	178	144	138	152	85	90
C68	178	148	143	156	85	90

Size (C)	Body height	Chest	Waist‡	Waistband§	Hip	Inseam	Inseam tall*
C44	170	88	76	80	88	79	84
C46	174	92	80	84	92	80	85
C48	180	96	84	88	96	81	86
C50	180	100	88	92	100	82	87
C52	184	104	92	96	104	83	88
C54	184	108	96	100	108	84	89
C56	188	112	100	104	112	85	90
C58	188	116	104	108	116	86	91
C60	192	120	108	112	120	87	92
C62	192	124	112	116	124	87	92
C64	194	128	116	120	128	88	93
C66	194	132	120	124	132	88	93
C68	194	136	124	128	136	88	93
C70	194	140	128	132	140	88	93
C72	194	144	132	136	144	88	93
C74	194	148	136	140	148	88	93
C76	194	152	140	144	152	88	93
C78	194	156	144	148	156	88	93

Size (C)	Body height	Chest	Waist‡	Hip	Inseam	Inseam tall*
C34	156	80	65	88	74	79
C36	160	84	68	92	76	81
C38	164	88	72	96	78	83
C40	168	92	76	100	80	85
C42	170	96	80	104	81	86
C44	172	100	84	108	82	87
C46	174	104	88	112	83	88
C48	174	108	93	116	83	88
C50	176	112	98	120	84	89
C52	176	116	103	124	84	89
C54	178	120	108	128	85	90
C56	178	124	113	132	85	90
C58	178	128	118	136	85	90
C60	178	132	123	140	85	90
C62	178	136	128	144	85	90
C64	178	140	133	148	85	90
C66	178	144	138	152	85	90
C68	178	148	143	156	85	90