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Marmot Men's Isotherm Jacket

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Product Description Item No.   10280822

Marmot Men's Isotherm Jacket is a lightweight jacket for movement based adventures on the mountain. Pertex Quantum® fabric is a 20D, 100% nylon mini shadow ripstop shell, ridiculously light in weight and durable against wind and light moisture. Backing it up is Polartec® Alpha® insulation for warmth and Polartec® Power Stretch® panels at the underarms for breathability. Built to go over a midlayer for extra warmth, the zip hand pockets and single chest pocket hold onto glove liners and lip balm, so stash as necessary. Move fast while climbing ice or exploring the backcountry with skis or board strapped to your pack.

Products on Sale are Discontinued Styles or Colors.

FEATURES of the Marmot Men's Isotherm Jacket

  • 20 denier pertex quantum fabric
  • PolarTec alpha insulation
  • PolarTec power stretch panels
  • Zip hand pockets
  • Zip chest pocket
  • Elastic bound cuffs
  • Interior mesh pocket
  • Zonal mesh lining
  • Elastic drawcord hem
  • Angel-wing movement

- + Product Specifications
Waterproof: Yes
Exterior Pockets: 3
Product Technology: Pertex Quantum, Polartec Power Stretch
Weight: 31.3 oz
Fabric Weight: 6.8 oz / yd
Insulation Details: Polartec Alpha
Internal Pockets: 1
Jacket Fabric: 47% Nylon, 34% Polyester, 19% Elastane
Back Length: 27 in.
Gender: Mens
Features: Adjustable Drawcord Hem, Polartec, Internal Pockets, Insulated, Zipper Garage
Jacket Length: Hip
Best Use: Casual
Fit Type: Regular Fit
Insulation: Down
Pertex Quantum

Pertex Quantum
Pertex Quantum is lightweight, windproof and abrasion resistant. Its strength-to-weight ratio is optimized to protect your insulation and maximize loft, thus trapping more warm air. This all adds up to you being warm and cozy.

Polartec Power Stretch

Polartec Power Stretch
Polartec Power Stretch has the ability to retain warmth without restricting movement during physical activities. It utilizes resiliant elastic fibers to ensure performance fit, making it ideal for any kind of aerobic outdoor pursuits. Examples: hiking, skiing, running, biathlon, triathlon, and mountaineering.


Men's Outerwear & Clothing
  XS S M L XL XXL XXXL
Chest - 36 - 38" 39 - 41" 42 - 44" 45 - 47" 48 - 50" 51 - 53"
Neck - 14.5 - 15" 15.5 - 16" 16.5 - 17" 17.5 - 18" 18.5 - 19" 19.5 - 20"
Sleeve - 32 - 33" 34 - 35" 35 - 36" 36 - 37" 37 - 38"
Waist * - 28 - 30" 31 - 33" 34 - 36" 37 - 39" 40 - 43" 44 - 46"
Hip - 38 - 40" 40 - 42" 43 - 45" 46 - 48" 49 - 51" 52 - 54"
Inseam ** 31" 32" 32.5" 33.5"

* Trail-to-Town pants have specific waist sizes.

** Inseam lengths above are average size lengths. Some pants are available in additional inseam lengths and will display on the product page.

Men's Gloves
XS S M L XL XXL
6.5 - 7" 7 - 7.5" 8 - 8.5" 9 - 9.5" 10 - 10.5" 11 - 11.5"

* To find your Marmot glove size, use a flexible measuring tape and measure your hand around and over the knuckles with your fingers together, excluding your thumb.

Men's Tops Fit Guide
Athletic Semi-Fit Regular Relaxed

Tailored shoulder and fitted hem

Relaxed shoulder and tapered hem

Relaxed shoulder and straight hem

Dropped shoulder and loose hem

Men's Bottoms Fit Guide
Athletic Semi-Fit Regular Relaxed

Fitted at waist, fitted thru knees, and fitted cuff opening

Fitted at waist, tapers at knees, and straight cuff opening

Relaxed at waist, slight taper at knees, straight cuff opening

Loose at waist, straight thru knees, straight cuff opening

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