Expedition Series In Stock

MountainPeak Insulated

Heavy-Duty Double-Wall Stainless Steel Expedition Flask

Price: C$ 40.00

Built for backcountry durability and sub-zero conditions, featuring multi-layer copper vacuum insulation, tactile powder coating, and a reinforced loop cap.

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BPA & Phthalate Free

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Rugged Thermal Engineering for Alpine Trails

MountainPeak Insulated is crafted for high-altitude trekking, weekend expeditions, and all-weather trail pursuits where beverage temperature stability is critical.

Double-wall 18/8 pro-grade stainless steel paired with internal copper lining prevents heat conduction completely. Hot beverages stay steaming hot for 18 hours across mountain peaks, while chilled electrolytes remain ice-cold for 36 hours under scorching direct sunlight. The sweat-proof condensation barrier guarantees dry gear inside your rucksack.

The outer textured grip delivers secure handling even when wearing thick winter gloves or in pouring rain. A wide-mouth opening accommodates standard ice cubes and rapid trail water filter attachments without messy spills or splashback.

Expedition Ready

Equip Your Next Mountain Journey

Available for fast dispatch across Canada with 100% leakproof guarantee.

Key Construction & Thermal Highlights

Copper Vacuum Core Vacuum gap reinforced with copper plating eliminates radiation heat loss and preserves target temperatures.

18/8 Pro Stainless Steel Food-safe stainless interior preserves natural beverage flavor with zero metallic aftertaste or rust risk.

Tactile Grip Finish Heavy-duty micro-textured powder coating resists rock scrapes, drops, and slippage in wet hands.

Integrated Carabiner Loop Reinforced polymer lid cap connects directly to backpack daisy chains and harness carabiners.

Cleaning & Maintenance Guidelines

Simple Care for Maximum Longevity

Hand wash with warm soapy water and a soft bottle brush to preserve exterior powder-coat integrity.
Detach food-grade silicone seals inside the lid periodically for thorough air drying and rinsing.
Avoid microwave heating, stovetop boiling, or freezer storage as extreme pressure ruins the vacuum seal.
Store with cap off in a dry, ventilated cupboard to maintain fresh internal air circulation.

Technical Specifications

Total Liquid Capacity	1000 ml (34 fl oz)
Body Material	Kitchen-Grade 18/8 Stainless Steel (BPA-free)
Cold Retention Performance	Up to 36 hours below 10°C with ice cubes
Heat Retention Performance	Up to 18 hours above 60°C
Dimensions & Net Weight	280 mm x 90 mm (Dia), 460 grams empty