Description
Tech Info
Size chart
2026 Burton AK Gore-Tex Freebird Shell Bib
When it's waist deep and dumping, there’s no substitute for the Freebird Bib. The men's Burton [ak] Freebird GORE‑TEX 3L Stretch Bib Pants offer backcountry-ready storm protection in a lightweight, ultra-breathable package. Built with stretch GORE-TEX 3L fabric, Crossflow Venting™, and a relaxed articulated fit, these bibs are made to move — whether you’re splitboarding, sledding, or racking up lift laps.
Summary
| Fit | Relaxed |
| Length | Inseam 32.5" Inches |
| Material | GORE-TEX 3L Recycled Polyester 75D Plain Weave + PFC-Free DWR |
| Waterproof Rating | 28,000 mm |
| Breathability | 20,000 g |
| Insulation | Shell – No Insulation |
| Seam Sealing | Fully Taped |
| Warranty | Lifetime Warranty |
Fit
- Relaxed Fit – Articulated and ergonomic through the knees and seat for natural mobility with extra room for layering and comfort on big days.
Material
- GORE-TEX 3-Layer Recycled Polyester 75D Plain Weave – Stretch fabrication that’s waterproof, windproof, breathable, and built for high-output movement in the backcountry.
Insulation
- Shell Only – Uninsulated design optimized for layering and mobility in a wide range of conditions.
Waterproof Rating
- 28,000 mm Waterproofing – GORE-TEX GUARANTEED TO KEEP YOU DRY™ protection for high-exposure conditions.
Breathability
- 20,000 g Breathability – Built to regulate body heat during uphill pushes, touring, or extended rides.
Venting
- Crossflow Venting™ – Exterior thigh vents and a mesh-lined no-snag continuous inner thigh vent for rapid airflow control.
Pockets
- Zippered Handwarmer Pockets – Soft-lined and secure for cold hands or small essentials.
- Zippered Chest Pockets – Includes media port and internal device sleeve for battery warmth and access.
- Zippered Back Pockets – Extra stowage for tools, snacks, or backup gear.
- Beacon Loop – Located in the wearer’s right pocket for avalanche safety gear placement.
Additional Features
- RECCO® Reflector – Built-in search technology for increased rescue visibility in avalanche situations.
- Stretch Fabrication – Moves naturally with your body for hiking, bootpacking, or touring.
- Triple Needle Reinforced Stitching – Increases durability and seam strength in high-stress areas.
- Bungee Cuff Elevators – Adjustable drawcords to lift cuffs out of slush, snow, or pavement.
- Anti-scuff Cuffs – Built-in abrasion resistance at the ankles for long-term wear against bindings and terrain.
- Adjustable Hook and Loop Suspenders – Secure, customizable bib fit over all your layers.
- Internal Waist Adjustment – Fine-tune the fit at the waist without removing your jacket.
- Crotch Gusset for Mobility – Gives you space to crouch, climb, or tweak your stance naturally.
- Articulated Patterning – Pre-shaped design supports active movement from skin track to descent.
- YKK® Water-Resistant Zippers – Dependable and sealed against snow and wetness.
- bluesign® Approved Materials – Environmentally conscious from fiber to finish.
Size Chart
| Size | Waist (in) | Hip (in) | Inseam (in) |
|---|---|---|---|
| S | 31–33 | 37–38.5 | 32.5 |
| M | 33–35 | 38.5–40.5 | 32.5 |
| L | 35–37 | 40.5–42.5 | 32.5 |
| XL | 37–40 | 42.5–45.5 | 32.5 |
| XXL | 40–44 | 45.5–49.5 | 32.5 |
Fit Styles
- Slim Fit – Cut close to the body for a modern, streamlined look with room for base layers and light mid layers.
- Regular Fit – Traditional fit that’s balanced and comfortable with enough space for layering and full mobility.
- Relaxed Fit – Roomier cut with a casual feel and extra space for layering and movement.
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