hmmm, a good brandSIERRA DESIGNSFASHIONLIVINGFIELDTASTEMY ACCOUNT
hmmm has confirmed 306 시에라디자인 Jackets products.
hmmm has confirmed 306 시에라디자인 Jackets products.
The materials listed in the material information are Nylon 228, Polyester 74, Cotton 13, Brushed 4, and Gold 4.
Counted based on official store product information collected up to October 16, 2026. Products link to the official store.
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While reading the jacket's description, you might notice the mention that the side pockets serve a ventilation function in addition to holding belongings. You may wonder about the principle behind how simply opening the pocket zippers can cool the heat inside the garment.
This is a zip-up outerwear made from Polartec High Loft polyester fabric. Providing warmth and stretch, it is used for activities navigating rugged natural environments. A high collar and hem drawstrings help block outside air.
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It was chosen because it helps maintain body heat and move flexibly even during tough outdoor activities.
Polartec High Loft material
It is made of Polartec High Loft 100% polyester fabric.
Warmth and stretch
It combines thermal functions that retain body heat in cold weather with flexible elasticity that stretches.
Field Level 3 grade
This is a SIERRA DESIGNS Field Level 3 line product made for adventurers exploring rugged nature across various conditions.
This jacket is made of Polartec High Loft fabric in 100% polyester. It offers warmth to maintain body temperature and elasticity that stretches to fit your body. It is good to wear when enjoying outdoor activities in rough natural environments.
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Selected so you can stay active warmly and comfortably in various outdoor environments.
Polartec High Loft material
Using Polartec High Loft fabric made of 100% polyester, it wraps your body temperature cozily.
Thermal insulation and elasticity features
It provides thermal insulation to maintain body temperature and elasticity that stretches flexibly with your movements.
Field Level 3 specifications
It is part of the Field Level 3 product line, designed for adventurers active in natural environments under any conditions.
This is a jacket made of Polartec High Loft polyester material. Featuring a high collar extending up the neck, a front zipper, and a hem drawstring structure, it retains warmth, and its elasticity allows for comfortable body movement. It is suitable to wear during outdoor activities facing harsh natural environments.
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Selected so you can gain both warmth and free movement in rugged outdoor environments.
Polartec High Loft fabric
Constructed using Polartec® High Loft 100% polyester material.
Warmth and stretch functions
It retains warmth while stretching well, allowing you to move comfortably even on rugged paths.
Field Level 3 standard
Produced according to standards for advanced adventurers facing nature under any conditions.
This jacket is crafted from Polartec High Loft material composed of 100% polyester. It features a high collar wrapping the neck, a front zipper, diagonal pockets, and a hem drawstring. It incorporates thermal insulation and stretch functions for adventurers active in ever-changing natural environments.
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Chosen because it provides both warmth and flexible movement even during rugged outdoor activities.
Polartec High Loft material
Crafted from Polartec High Loft fabric composed of 100% polyester.
Thermal insulation and stretch function
Supports mobility by applying stretch functionality alongside thermal insulation.
Field Level 3 grade
Belongs to a product line designed for advanced adventurers who enjoy dynamic nature under any conditions.
This is a zip-up jacket made of 100% polyester Polartec High Loft fabric. Equipped with a high-neck collar that wraps around the neck and tightening strings on both sides of the hem, it can block cold air. These specifications are designed for adventurers active in natural environments with significant weather changes.
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These are the reasons chosen so that you can maintain warmth and move flexibly even in rough outdoor environments.
Polartec High Loft fabric
It uses 100% polyester Polartec High Loft material, allowing you to maintain body temperature.
Field Level 3 specifications
Considering adventurers who face highly variable natural environments, this product line is tailored to high-grade environments.
Thermal insulation and stretch features
It has both thermal insulation that traps heat and elasticity that aids flexible movement.
It is crafted using both 10D ripstop nylon and 120g Polartec Alpha Direct fabrics together. At 195g based on size S, it is light and suitable for layering in rough natural conditions.
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It was chosen because it has the right conditions for light layering in variable outdoor environments.
A weight of 195g based on size S
At a light 195g based on size S, it is easy to carry in a bag and layer on when needed.
Placement of two functional materials
10D ripstop nylon and 120g Polartec Alpha Direct fabrics are appropriately divided and applied.
Field Level 3 grade design
It is designed to meet standards for advanced adventurers who enjoy activities even in rough natural conditions.
Packable clothing often comes with a separate storage pouch, which can be cumbersome to keep track of. One wonders how folding the garment into the chest pocket itself differs in terms of usability.
This hooded jacket combines 10D ripstop nylon with Polartec Alpha Direct 120g insulation. It repels wind and moisture while allowing air to circulate, helping prevent sweat from building up. It is an outer layer to wear lightly during hikes or outdoor activities.
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It is built lightly to block the cold air and properly release the heat generated by the body.
Combination of two functional materials
By using 10D ripstop nylon together with 120g Polartec Alpha Direct material, it combines windproofing and thermal insulation.
Light weight
Weighing a light 195g based on size S, it poses little burden when worn or carried along.
Windproof and breathable functions
It maintains body temperature by blocking wind and moisture, while offering breathability to reduce stuffiness.
This is a windbreaker jacket that combines an ultralight fabric with both water repellency and breathability. Its packable construction folds down small for convenient carrying. It is well-suited to wear across everyday urban life and outdoor activities in nature.
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We focused on functions and uses that naturally connect everyday life with the outdoors.
Functionality Supporting Outdoor Activities
Featuring an ultralight specification with water repellency and breathability, its packable function packs down small to reduce luggage burden.
A Grade Connecting City and Nature
It applies Field Level 2 so you can move smoothly between everyday life and natural environments, broadening its range of use.
The Brand's Mountain Wear Lineage
It faithfully continues the clothing manufacturing foundation of the brand that introduced the original 60/40 Mountain Parka in 1968.
Both products are outdoor outerwear, but the listed functional terms differ, making it difficult to judge in which environments they should be worn.
This is lightweight functional outerwear made of a 3-layer fabric blending nylon and polyurethane. Designed to handle bad weather, it features waterproof and windproof functions along with vents and waterproof zippers. It is easy to pack and wear when active in rough natural environments.
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It is equipped to keep you moving lightly and comfortably even in diverse natural environments.
3-layer functional design
Adding ventilation and waterproof zippers to waterproof, windproof, and water-repellent functions, it can be folded lightly for easy carrying.
Nylon and polyurethane blend
Woven with nylon 88% and polyurethane 12%, it adds stretch to a light weight.
Field Level 3 grade
Planned for adventurers facing rough natural conditions, it fulfills its role even in rugged outdoor environments.