Description
Guideline Alta NGx Sonic Jacket – extremely durable waterproof fly fishing jacket
Guideline Alta NGx Sonic Jacket is a premium technical shell built for fly anglers who fish in demanding conditions and need maximum protection from rain, wind, and cold—without restricting movement.
The jacket uses high-frequency ultrasonic welding to deliver exceptional waterproof performance while keeping the fabric flexible. Articulated shoulders and elbows minimize resistance during casting and when moving along the river.
- 20,000 mm waterproof rating – reliable protection in heavy rain
- 20,000 g/m²/24h breathability – comfort during active fishing
- 3-layer Nylon Taslan – durable, flexible, and quiet fabric
- Ultrasonically welded construction for maximum waterproofness
- YKK AquaGuard® zippers on all pockets
- DuoDrag™ sleeve system with neoprene cuffs to keep water out
Designed for anglers
- High fleece-lined collar for added neck protection
- Hood with a stiffened peak and 3D, tangle-free adjustment
- Two large chest pockets with organizers for tippet & spools
- Fleece-lined hand warmer pockets
- Internal pockets for a phone and gloves
- D-ring for attaching a landing net
- Dual hem adjustments + drainage system to prevent water build-up while wading
Functional Design
Eco Features
D-Ring at the back
Technical specifications
- Weight: 754 g (size L)
- Fabric: 3-layer 100% Nylon Taslan
- Waterproofness: 20,000 mm
- Breathability: 20,000 g/m²/24h
- Zippers: YKK AquaGuard®
- Country of origin: China
Eco features
- bluesign® approved materials
- PFAS-free DWR finish
- Low-impact production with reduced environmental footprint
Available size: L
Model in the photos is 184 cm / 78 kg and wears size M.
Size chart – Guideline jackets
| Size | Chest (cm) | Waist (cm) | Hips (cm) | Sleeve length (cm) |
|---|---|---|---|---|
| XS | 81–87 | 74–80 | 82–88 | 59.5–60.5 |
| S | 88–94 | 81–87 | 89–95 | 61–62 |
| M | 95–101 | 88–94 | 96–102 | 62.5–63.5 |
| L | 102–108 | 95–101 | 103–109 | 64–65 |
| XL | 109–115 | 102–108 | 110–116 | 65.5–66 |
| XXL | 116–122 | 109–115 | 117–122 | 67–68 |
| XXXL | 122–128 | 116–122 | 123–128 | 68.5–69 |
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