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GORE-TEX GT Thermagraph Shell Jacket 2026

GORE-TEX GT Thermagraph Shell Jacket 2026

  • In Stock

Regular price $559.99 CAD
Sale price $559.99 CAD Regular price $559.99 CAD
Sale Out Of Stock
SKU: SIX61M155006
Color
Size
Gender

The only jacket that the Mammoth Unbound Park Staff trusts for over 200+ days on snow, the GT Jacket's durability has been upgraded with our exclusive Thermagraph® Active lining system to keep you going stronger and longer in any elements. A team favorite, the GT's durable GORE-TEX shell keeps the elements out while the Thermagraph Active® lining aids in heat and moisture management as your body heat changes throughout the day.

Features +

GORE-TEX 2-Layer Fabric

2-Layer bluesign® approved GORE-TEX 100% recycled nylon fabric with PFAS-Free DWR provides reliable waterproof protection and durability.

Thermagraph® Active Lining System

Body-mapped lining featuring graphene fleece manages heat and moisture as your body temperature changes throughout the day.

Fully Taped GORE-TEX Seams

Complete GORE-TEX seam taping ensures maximum waterproof protection in all conditions.

Air-Flo™ Underarm Vents

Strategic ventilation allows temperature regulation during high-output activities.

6-Pocket Design

Phone heater pocket, zippered pass pocket with key clip, chest zippered pocket, front hand pockets, and internal goggle/lens/stash pocket keep essentials secure.

Attached Adjustable Powder Skirt

Powder skirt with Lycra stretch panel keeps snow out during deep days on the mountain.

Adjustable Hinged Helmet Compatible Hood

Innovative hinged hood design fits over a helmet with adjustable fit for complete protection.

Merino Wool Blend Inner Collar & Mouth Flap

Natural merino wool blend provides superior breathability and odor resistance at the collar and mouth area.

Inner Lycra Wrist Gaiters

Integrated wrist gaiters seal out snow and keep your hands warm and dry.

Graphene Grid Fleece Thermagraph Panel

Advanced graphene fleece panels provide enhanced warmth and moisture management.

Pant Jacket Connect™ System

Seamless integration with compatible 686 pants for complete snow protection.

200+ Days on Snow Trusted

The only jacket trusted by Mammoth Unbound Park Staff for over 200+ days on snow.

Materials +

Shell

2-Layer bluesign® approved GORE-TEX 100% Recycled Nylon fabric with PFAS-Free DWR

Lining

Thermagraph® Active Body-Mapped Lining System featuring graphene fleece

Seams

Fully taped GORE-TEX seams

Construction

Hinged helmet-compatible hood with merino wool blend inner collar and mouth flap

Size Chart +
Size Neck Chest Low Waist Arm Length
S 15-15.5 36-38 30-32 35-36
M 15.5-16 39-41 32-34 36-37
L 16-16.5 42-44 34-36 37-38
XL 17-17.5 45-48 36-38 38-39
XXL 17-18 49-52 38-40 39-41
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Product Description

The only jacket that the Mammoth Unbound Park Staff trusts for over 200+ days on snow, the GT Jacket's durability has been upgraded with our exclusive Thermagraph® Active lining system to keep you going stronger and longer in any elements. A team favorite, the GT's durable GORE-TEX shell keeps the elements out while the Thermagraph Active® lining aids in heat and moisture management as your body heat changes throughout the day.

Features +

GORE-TEX 2-Layer Fabric

2-Layer bluesign® approved GORE-TEX 100% recycled nylon fabric with PFAS-Free DWR provides reliable waterproof protection and durability.

Thermagraph® Active Lining System

Body-mapped lining featuring graphene fleece manages heat and moisture as your body temperature changes throughout the day.

Fully Taped GORE-TEX Seams

Complete GORE-TEX seam taping ensures maximum waterproof protection in all conditions.

Air-Flo™ Underarm Vents

Strategic ventilation allows temperature regulation during high-output activities.

6-Pocket Design

Phone heater pocket, zippered pass pocket with key clip, chest zippered pocket, front hand pockets, and internal goggle/lens/stash pocket keep essentials secure.

Attached Adjustable Powder Skirt

Powder skirt with Lycra stretch panel keeps snow out during deep days on the mountain.

Adjustable Hinged Helmet Compatible Hood

Innovative hinged hood design fits over a helmet with adjustable fit for complete protection.

Merino Wool Blend Inner Collar & Mouth Flap

Natural merino wool blend provides superior breathability and odor resistance at the collar and mouth area.

Inner Lycra Wrist Gaiters

Integrated wrist gaiters seal out snow and keep your hands warm and dry.

Graphene Grid Fleece Thermagraph Panel

Advanced graphene fleece panels provide enhanced warmth and moisture management.

Pant Jacket Connect™ System

Seamless integration with compatible 686 pants for complete snow protection.

200+ Days on Snow Trusted

The only jacket trusted by Mammoth Unbound Park Staff for over 200+ days on snow.

Materials +

Shell

2-Layer bluesign® approved GORE-TEX 100% Recycled Nylon fabric with PFAS-Free DWR

Lining

Thermagraph® Active Body-Mapped Lining System featuring graphene fleece

Seams

Fully taped GORE-TEX seams

Construction

Hinged helmet-compatible hood with merino wool blend inner collar and mouth flap

Size Chart +
Size Neck Chest Low Waist Arm Length
S 15-15.5 36-38 30-32 35-36
M 15.5-16 39-41 32-34 36-37
L 16-16.5 42-44 34-36 37-38
XL 17-17.5 45-48 36-38 38-39
XXL 17-18 49-52 38-40 39-41
GORE-TEX GT Thermagraph Shell Jacket 2026

GORE-TEX GT Thermagraph Shell Jacket 2026

Regular price $559.99 CAD
Sale price $559.99 CAD Regular price $559.99 CAD