Helly Hansen
Helly Hansen Bifrost Winter Tall BOA Work Boot S7S HT 78480
Helly Hansen Bifrost Winter Tall BOA Work Boot S7S HT 78480
SKU:78480-35-990
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Helly Hansen Bifrost Winter Tall BOA Work Boot S7S
When you're working in harsh winter conditions, you need safety footwear that actually keeps up with the demands of the job. The Helly Hansen Bifrost Winter Tall BOA work boot combines robust protection with genuine comfort for professionals who refuse to compromise. This winter work boot features a tall cut design with a BOA closure system that delivers a custom fit without the fuss of traditional lacing. Built entirely metal free, these safety work boots offer protection according to strict safety standards whilst remaining genuinely lightweight. The Dri-Blaze lining traps warmth naturally, keeping your feet insulated during extended shifts in freezing temperatures. With PrimaLoft Gold insulation at 400g, reinforced TPU toe and heel protection, and an anti-slip rubber outsole, the Bifrost is engineered for those who work on construction sites, industrial facilities, or anywhere winter presents a genuine challenge.
Key Features
- BOA rotary closure system for quick, secure fit
- Entirely metal free composite safety toe protection
- PrimaLoft Gold 400g insulation for winter warmth
- Helly Tech waterproof membrane with water-repellent properties
- Anti-slip outsole with oil and grease resistance
Recommendations from our Unishore Expert
These winter work boots deliver serious performance without unnecessary bulk. The BOA closure adjusts in seconds, which beats struggling with laces when wearing gloves during cold shifts. The composite toe cap provides safety certification protection whilst remaining noticeably lighter than traditional steel options. The Dri-Blaze lining works with the insulation system to maintain core warmth during prolonged exposure to freezing conditions. The outsole grips confidently on wet surfaces, ceramic floors, and steel flooring, which matters when traction directly impacts your safety. Since these boots are entirely metal free, they're ideal for ESD-sensitive environments where electrical safety matters.
Product Features
- Footwear Type - Work boot
- Fit Width - Standard
- Safety Class - S7, S7L, S7S
- Closure System - BOA rotary closure
- Safety Toe - Non-metallic composite
- Midsole - Metal free with HH Dual-Stride (EVA/TPU)
- Outsole Material - HellyGrip XRC rubber
- Upper Material - Microfibre and Cordura
- Insole - OrthoLite X25
- Insulation - PrimaLoft Gold 400g
- Waterproof Lining - Helly Tech membrane
- Reflective Details - Yes
- ESD Protection - Yes
- Oil and Fuel Resistance - Yes
- Anti-Slip Performance - Ceramic floors with oil/grease and steel flooring
- Cold Insulation - 30 minutes at minus 17°C
- Penetration Resistant - Yes
- Non-Marking Sole - Yes
- Article Number - 78480
Standards and Safety
- Safety certification S7 with energy-absorbing heel rated at 20J according to EN ISO 20345
- Antistatic resistance protection according to EN ISO 20345
- Oil and fuel resistant running sole according to EN ISO 20345
- Non-slip performance on ceramic floors with oil and grease exposure according to EN ISO 20345
- Cold-insulating protection tested for 30 minutes at minus 17°C according to EN ISO 20345
- Anti-slip certified for steel flooring with glycerin according to EN ISO 20345
- ESD footwear protection according to BS EN IEC 61340-4-3:2018
Characteristics
Characteristics
- Reflective details
- Molded TPU toe bumper
- Molded heel overlay
- Nail protection without metal
- Metal Free
- Helly Tech® waterproof membrane
- Dri-Blaze® lining combines nylon yarns with a coffee carbon that naturally traps body heat for extra warmth
- Composite safety toe cap
- BOA® Fit System - L+1
- Primaloft® Gold insulation - 400g
Standards of [78480]
- BS EN IEC 61340-4-3: 2018
- ESD
- EN ISO 20345:2022
- S7L CI SR
Material & washing instructions
Material & washing instructions
Top: Microfiber and Cordura. Footbed: Ortholite X25. Midsole: HH Dual-Stride (Eva/TPU). Outsole: HellyGrip XRC Rubber.
Size chart
Size chart
Dynamic data about product reviews still needs to be linked here.
The table below is the official Helly Hansen size chart, you can use it as a reference to determine which size you need for Helly Hansen Shoes
*All lengths in centimeters unless otherwise stated
**Information based on size chart from the Helly Hansen Catalog, this may vary per model
| EU | UK | US | CM |
|---|---|---|---|
| 36 | 3.5 | 4 | 22 cm |
| 37 | 4.5 | 5 | 23 cm |
| 38 | 5 | 5.5 | 23.5 cm |
| 39 | 6 | 6.5 | 24.5 cm |
| 40 | 6.5 | 7 | 25 cm |
| 41 | 7.5 | 8 | 26 cm |
| 42 | 8 | 8.5 | 26.5 cm |
| 43 | 9 | 9.5 | 27.5 cm |
| 44 | 9.5 | 10 | 28 cm |
| 45 | 10.5 | 11 | 29 cm |
| 46 | 11 | 12 | 29.5 cm |
| 47 | 12 | 12.5 | 30.5 cm |
| 48 | 12.5 | 13.5 | 31 cm |

Step 1 : Stand upright on a hard surface with your heel against the wall and a blank piece of paper taped to the floor

Step 2 : Have someone mark the longest part of the foot (heel to toe) with a pen or pencil, repeat this for the same foot as measurements can vary per foot.

Step 3 : Use a ruler to measure the length from heel to toe with the longest toe perpendicular to the wall
About Unishore Workwear
About Unishore Workwear
Unishore Workwear has been a specialist in workwear and personal protective equipment since 1985. We offer:
- Fast delivery
- Competitive prices
- Embroidery and printing in-house
