Helly Hansen Workwear Chelsea Evolution BRZ Construction Pants - 77551
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Helly Hansen Workwear Chelsea Evolution BRZ Construction Pants - 77551
Experience superior comfort and durability with the Helly Hansen Chelsea Evolution BRZ Construction Pants. Designed for professionals who demand flexibility and breathability, these pants feature lightweight 4-way stretch fabric and innovative mechanical ventilation to keep you cool on the job. Enhanced with Cordura reinforcements and adjustable knee pads, they offer exceptional protection and mobility for demanding work environments.
Key Features
- Lightweight 4-way stretch main fabric for enhanced mobility
- Mechanical ventilation with mesh panels on the side of the knees
- External knee pad pockets with adjustable positioning for optimal comfort
- Cordura fabric reinforcements on knees and hanging pockets for durability
- Adjustable bottom leg with snap buttons and leg length extension option
- Shaped waistband and gusseted crotch for improved fit and freedom of movement
- Multiple thigh pockets with fastener closures and compartments
- Reflective design details for increased visibility
Ideal For
- Construction workers needing breathable and durable work pants
- Tradespeople requiring flexible and protective clothing
- Outdoor laborers working in variable climates
- Professionals seeking adjustable knee protection and ventilation
Specifications
| Main Fabric | 94% Polyamide, 6% Elastane - 244g/m² |
| Secondary Fabric | 68% Cotton, 32% Polyester - 235g/m² |
| Reinforcement Fabric | 100% Polyamide - 210g/m² |
| Ventilation | Mechanical ventilation with mesh panels on knees |
| Knee Pads | Accessible from outside, adjustable position by 5cm |
| Closure | YKK Zipper, plastic covered metal buttons |
| Care Instructions | Machine wash lukewarm (104°F), do not bleach, tumble dry low, do not iron, do not dry clean |
Upgrade your workwear with the Helly Hansen Chelsea Evolution BRZ Construction Pants for unmatched comfort, durability, and functionality on the job.
MFG Part #: 77551
| Product Type | HiViz Clothing (Not FR/ARC/Welding) |
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Shipping
We Ship Internationally - We can ship to virtually any address in the world, with some restrictions on certain products.
Standard Delivery: Ground shipping typically delivers in approximately 5 business days from our Columbus, OH warehouse.
Expedited Options Available:
- Priority and Expedited handling speeds up processing
- Overnight shipping available (guaranteed) - must order by phone before 12pm EST M-F
- Some items ship "Manufacturer Direct" and cannot be expedited
Important: Inspect your delivery before signing! Note any damage on the shipping document.
Returns Policy
30-Day Return Window: Most new, unopened items can be returned within 30 days for a full refund.
Non-Returnable Items:
- Made-to-order fall protection products
- Used vacuums, respirators, gas monitors, or air scrubbers
- Calibration gas (hazardous material)
- PAPR and specialty respiratory items (non-stock)
Restocking Fee: 30% restocking fee or shipping costs apply if return is due to buyer error.
Refund Timeline: Expect refunds within 4 weeks, though many are processed faster.

