686 MENS GORE-TEX GT THERMOGRAPH SNOW JACKET BLACK 2026

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. 

Details

• 2-Layer bluesign® Approved GORE-TEX 100% Recycled Nylon Fabric + PFAS Free DWR
• Thermagraph® Active Body-Mapped Lining System Featuring Graphene Fleece
• Pant Jacket Connect™ System
• Air-Flo™ Underarm Vents 
• Waterproof Center Front and Chest Pocket Zippers
• Attached Adjustable Powder Skirt with Lycra Stretch Panel
• Adjustable Hinged Helmet Compatible Hood
• Merino Wool Blend Inner Collar & Mouth Flap
• Phone Heater Pocket
• Zippered Pass Pocket w/ Key Clip
• Chest Zippered Pocket and Front Hand Pockets
• Inner Lycra Wrist Gaiters
• Adjustable Cuffs
• Graphene Grid Fleece Thermagraph Panel
• Adjustable Bottom Hem Cinch
• Pant Jacket Connect™ System
• Internal Goggle + Goggle Lens + Stash Pocket
• Internal Lip Balm Pocket
• Hood Link System
• Glove Link™ Inner Thumb Grip
• Tangle Free Headphone Loops
• Chest Pocket Inner Key Clip
• Fully Taped GORE-TEX Seams
• Helmet Compatible 
• Internal Pocket Count: 2
• External Pocket Count: 4
• 6-Pocket Design

Features

• Gore-Tex: The Gold Standard in waterproofing. Guaranteed to keep you dry.
• Graphene: Grid fleece used on Thermagraph® panels and inner collar fabric.
• Air-Flo™ Vents: Vents that allow fresh air in and moisture out to help regulate your temperature.
• Helmet Compatible: Hoods built to fit comfortably over a helmet.
• Hoodlink: Keep gear in order when not in use by creating a packable system.
• Key Clip: Made to keep your keys secure while on the mountain.
• Phone Heater Pocket: A secure, accessible phone pocket that increases battery life in cold weather.
• Recycled Fabric: Single-use plastic is used in the recycled yarn and the fabric is made of over 50% recycled cationic dyeable polyester.
• Windproof: Fabric that doesn’t let the wind penetrate.
• Thermagraph®: Strategic body-mapped insulation and breathability within the garment.