Arbortec AT4420 Full-Zip Waterproof Work Jacket – Black

Professional waterproof protection built for arborists and outdoor professionals.
The AT4420 is a full-zip, high-performance waterproof jacket in black, engineered to withstand tough weather conditions while maintaining a clean, professional look. Certified to EN 343:2019 Class 4,4 (highest rating for waterproofing and breathability). 

Key Features & Benefits

• Top-level weather protection: EN 343 2019 Class 4,4 certified for maximum waterproofing and breathability. 
• Three waterproof pockets: One chest pocket plus two separate side pockets with individual compartments – ample dry storage. 
• Helmet-compatible hood: Wired peak, zip-off or stowable hood that fits over climbing or safety helmets. 
• Ventilation & access features: Under-arm pit zips, body vents and side zip panels for harness/trouser access. 
• Fully taped seams: Ensures no water ingress through stitching, maintaining integrity in heavy rain. 
• Adjustable storm cuffs & thumb loops: Extended sleeves, Lycra thumb loops, and Velcro cuffs designed for high-reach work.
• Extended back hem: Longer rear for rain run-off when bending or wearing a harness. 

Technical Specifications

Why Choose the AT4420?

If you’re working in demanding outdoor environments — whether in forestry, arboriculture, roadside, or rail-side operations — the AT4420 delivers the highest level of weather protection without compromising on style or practicality. With fully taped seams, helmet-compatible hood, and industry-leading waterproof certification, this jacket is tailored for professionals who won’t settle for less.