MuskOx Flannels
MuskOx Grand Flannel | 8.9oz Heavyweight | Moss Green
MuskOx Grand Flannel | 8.9oz Heavyweight | Moss Green
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MuskOx was founded to create rugged, timeless American menswear that supports wildlife conservation. They focus on ethical manufacturing in Portugal (known for the world's best flannel mills) and donate $5 from every flannel purchase to the Alaska Wildlife Conservation Center to support wolves, bears, and bison. When you buy this shirt, you are supporting the wild.
Rated "Best Heavyweight Flannel" of 2025 by GearJunkie
The MuskOx Grand Flannel in Moss Green is a staple for the modern woodsman. Rated "Best Overall Flannel" for two years running and now crowned the "Best Heavyweight Flannel" for 2025, this shirt combines award-winning performance with a timeless earth tone inspired by the deep woods.
We chose to stock this specific shirt at Kempain Family Outfitters because it redefines what a flannel can be. Clocking in at a massive 8.9oz per square yard, it is two times heavier than the average department store flannel. It feels less like a shirt and more like a soft, wearable shelter.
Why It's a Customer Favorite:
- The Color: A rich, deep green that pairs perfectly with denim, leather boots, or canvas work pants. It hides dirt well in the field and looks sharp at dinner.
- Maximum Warmth: At 8.9oz, this is the thickest, warmest shirt in our rotation. It is designed for those crisp mornings when a jacket feels like too much, but a standard shirt isn't enough.
- Unmatched Softness: MuskOx doesn't just brush the outside; they double-brush the interior as well. The result is a rugged exterior with a blanket-soft feel against your skin.
- Ethical Origins: Woven in Portugal from 100% ethically sourced cotton.
The Kempain Promise: This is the heaviest shirt we sell. If you want a layer that connects you to the outdoors—both in durability and style—the Moss Green Grand Flannel is the one.
Care Instructions
Wash on cold gentle cycle. Dry on low heat or hang dry. Do not bleach. Iron on low.
Shipping & Returns
These items ship directly from the MuskOx warehouse (Charlotte, NC or Detroit, MI) to reduce carbon footprint.
We accept returns on unwashed/unworn items within 30 days of purchase. Please contact hello@kempain.com to initiate a return.
+ Flannel Collection Guide (Compare Models)
| MODEL | WEIGHT | MATERIAL | FEEL | TEMP | FIT |
|---|---|---|---|---|---|
| GRAND FLANNEL | 8.9 oz | 100% Cotton, Double Brushed | Soft, Thick, Cozy | 35–65°F | Classic, Tall |
| FIELD GRAND | 8.2 oz | High-Density Weave | Dense, Strong | 30–60°F | Classic |
| YUKON JACKET | 8.7 oz | Brushed Interior Only | Dense, Firm | 30–60°F | Jacket Fit |
| LINED YUKON | 11.2 oz | Twill Exterior, Lined | Very Heavy | 20–50°F | Jacket Fit |
+ Official Fit Guide (Dimensions)
Classic Fit: Contours the chest, body, and arms with a slight taper at the waist. A tailored look that allows for movement.
Model Reference: Luis is 6'2", 200 lbs and wears a size Large.
Classic Fit Dimensions (Inches)
| Measurement | S | M | L | XL | XXL | XXXL |
|---|---|---|---|---|---|---|
| Chest | 34-37" | 38-41" | 42-45" | 46-49" | 50-53" | 54-57" |
| Waist | 32-35" | 36-39" | 40-43" | 44-47" | 48-51" | 52-55" |
| Body Length | 29.5" | 30.25" | 31" | 31.75" | 32.75" | 33.5" |
| Sleeve Length | 35.5" | 36" | 36.5" | 37.25" | 37.75" | 38.5" |
Tall Fit (Extra Length)
| Measurement | L Tall | XL Tall | XXL Tall |
|---|---|---|---|
| Chest | 42-45" | 46-49" | 50-53" |
| Body Length | 32.5" | 32.25" | 34.25" |
| Sleeve Length | 38" | 38.75" | 39.25" |