509 Allied Insulated Monosuit
Item: #909677 | Part Number: Not SelectedThe 509 Allied Insulated Monosuit is a rugged, all-in-one snowmobile suit built for long days in harsh winter conditions. Packed with low-bulk Thinsulate™ insulation and fully waterproof, breathable fabric, it delivers dependable warmth, weather protection, and freedom of movement whether you're charging deep snow or pushing hard on the trail.
509 Allied Insulated Monosuit Item # 909677
Description
The 509 Allied Monosuit (Insulated), for whether pinning it up a ridge or ripping through deep snow, this newly-updated Allied Suit provides excellent weather protection with fully seam-taped, waterproof/breathable fabric, low-bulk Thinsulate™ insulation throughout and burly, triple-stitched Cordura® 300D polyester.
An updated crotch gusset improves fit where you need it while a new zipper fly makes pit stops a breeze.
The 509 Allied Monosuit is insulated outerwear:
Outerwear - Insulated GuideFeatures:
- 100 g Thinsulate™ insulation
- Triple-stitched, hybrid construction featuring 5TECH™ material with 5Tech Stretch panels in the seat and across the shoulders. Cordura® HP 300D polyester face, and 10k/10k membrane
- Waterproof Main zipper for easy in and out
- Internal suspenders for easier in and out and keep things in place
- Gusseted crotch for improved fit, lower stress on the seams. Triple stitched for increased seam strength
- DWR coating for industry leading Water Repelling fabric surface
- Asymmetric cuffs and wrist gaiter
- Hand, chest, internal and thigh pockets
- Arm pit, side vent, and thigh ventilation system
- Waterproof coil zippers throughout
- Removable hood
- 600D reinforcements
- Leg zips for easy on and off
- Internal boot gaiters
- Insulated models come with 100 gram
- Thinsulate™ insulation
Specifications:
- Material: 5TECH™
- Style: Insulated
- Riding: Trail/Crossover
Part Numbers for 509 Allied Insulated Monosuit
Comparison Chart
![]() | ![]() | ![]() | ![]() | |
| Model | Allied Shell | Stoke Shell | EtherShell | Allied |
| Starting at | $800 | $980 | $980 | $830 |
| Benefits | Perfect for aggressive riding, increased durability | Lightweight, waterproof and breathable | Suited for extreme conditions, super versatile | Perfect for aggressive riding, increased durability |
| Rider Type | Crossover | Backcountry | Backcountry | Crossover |
| Shell | 5TECH / Cordura HP 300D | 5TECH Pro 3-Layer | Sympatex | 5TECH / Cordura HP 300D |
| Insulation | Non-Insulated | Non-Insulated | Non-Insulated | 100g Thinsulate |
| Key Features | Leg zips, boot gaiters, removable hood | 3/4 leg zips, boot gaiters, alpine hood | Full leg zips, internal adjustable harness, removable hood | Leg zips, boot gaiters, removable hood |
| Waterproofing | 10K / 10K | 20K / 20K | 45K / 25K | 10K / 10K |
| Ventilation | Best | Better | Better | Best |



