• Features
    • Lightweight, Breathable, Quick-Drying Performance Knit Fabric
    • Ultraviolet Protection Factor (UPF) 50
    • Mesh Panels for Breathability
    • Raglan Sleeve for Increased Range of Motion
    • Flat-Locked Seams for Added Comfort
    • Droptail Hem for Increase Coverage
    • Tag-Free Neckline - Eliminates the Desire to Reach Back and Rip Out An Itchy Tag
    • Reflectivity
  • Specs
    • Colors:
      • Black/Slate Grey (1027)
      • Cobalt Blue/Slate Grey (2736)
      • Slate Grey/Bright Grass (1441)
      • White/Steel (3117)
    • Overall Weight:
      4.8 oz / 136.1 g
    • Main Material:
      100% Polyester Interlock 2.7 oz/yd
    • Main Material:
      100% Polyester Pique 3.2 oz/yd

UPF 50

Clothing can protect you from the sun’s ultraviolet rays. It all depends on the fiber content, weave, weight of fabric and color.

So what’s the difference between UPF and SPF?

SPF stands for the Sun Protection Factor, most commonly associated with sunscreen. This measures the amount of time it takes for skin to burn.

UPF on the other hand stands for Ultraviolet Protection Factor, which is a measure of the amount of UV radiation that penetrates a fabric and reaches your skin. For example, a fabric rated with a UPF of 50 will allow only 1/50th of the sun’s UV rays to pass through. So the fabric would significantly reduce your exposure to UV rays, (where it covers your body)!

Dark colors and tight weaves will have higher UPF ratings. As well, nylons and polyesters are better than plain cotton because they reflect radiation.


Size Chart Mens Tops

Men’s Jackets, Parkas, Sweaters & Shirts (unisex sizing)

Sizing by Height / Weight

  4'11"-5'2" 5'2"-5'6" 5'6"-5'10" 5'10"-6'2" 6'2"-6'6"
90-110 lbs XS S      
110-135 lbs XS S M    
135-160 lbs   S-M M M-L  
160-195 lbs     M-L L L-XL
195-230 lbs     L L-XL XL-XXL
230-265 lbs       XL-XXL XXL-XXXL


Sizing by Body Measurements

  XS S M L XL XXL XXXL
Jackets/Parkas/Sweaters/Shirts (unisex sizing)
Chest 33-35 36-38 39-41 42-45 46-49 50-53 54-57
Neck 13.5-14 14.5-15 15.5-16 16.5-17 17.5-18 18.5-19 19.5-20
Sleeve 30-31 32-33 34-35 35-36 36-37 37-38 37-38



Garment Sizing Information
The charts above will help you select the proper size. If you have questions, please call our customer service representatives at (888) 357-3262.

Care Instructions
Marmot does not recommend dry cleaning for any of our products. Gore-Tex® fabric products, MemBrain® fabric products, down insulated products, and fleece are all machine washable. You should use a commercial front loading machine and follow the care instructions.


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