Fit Guide

Inches ▼ Centimeters ▼ Small Medium Large XL 2XL 3XL
Chest 36-38" 91.4-96.5 39-41" 99-104 42-44" 106.5-112 45-47" 114.3-119.4 48-50" 122-127 51-54" 129.5-137
Waist 29-31" 73.7-78.7 32-34" 81.3-86.4 35-37" 89-94 38-40" 96.5-101.6 41-44" 104-112 45-47" 114.3-119.4
Hip 36-38" 91.4-96.5 39-41" 99-104 42-44" 106.5-112 45-48" 114.3-122 49-51" 124.5-129.5 52-54" 132-137
Arm 33-34" 83.8-86.4 34-35" 86.4-88.9 35-36" 88.9-91.4 36-37" 91.4-94 37-38" 94-96.5 38-39" 96.5-99
Inseam 32" 81.3 32" 81.3 32" 81.3 33" 83.8 33" 83.8 34" 86.4

How to Measure

Note: If your measurements are between sizes, we recommend selecting the larger size as product is designed with a more athletic fit.

Chest: Measure under the arms, around the fullest part of the chest and back circumference.

Waist: Measure around the natural waistline, keeping tape a bit loose.

Hip: Measure around the fullest part of the hip circumference, parallel to floor.

Arm Length: With elbow slightly bent, measure from the center back of the neck, across shoulder, to elbow and down to the wrist bone.

Inseam: Measure along inside leg from the crotch to ankle bone. Or, measure a good fitting base layer pant from crotch seam to bottom along seam.


Shipping & Returns

Domestic Shipping:

We are excited to offer free standard shipping on all domestic orders of $200 USD or more for domestic purchases. We do our best to process and ship orders within 1-2 business days, Monday - Friday. Please keep in mind that during holiday seasons, processing time may increase. Delivery timelines commence one business day following the purchase date.

Domestic Shipping Options:

Free Standard Ground: 2-5 Business Day
2 Day Delivery: 2 Business Days

International Shipping:

We are pleased to offer international shipping to over 200 countries. International shipping times vary by country. The cost of international shipping includes any applicable duties and taxes for the destination country - the price provided at checkout is the final and total cost of the order.

For more details visit our help page

Men's Explorer Quarter Zip
color:Black Heather
color:Celestial Heather
color:Black Heather
color:Red Rock Heather
Men's Explorer Quarter Zip
Men's Explorer Quarter Zip

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Men's Explorer Quarter Zip

Thrive during your next cold weather activity or sport with the ultimate layer. Designed to fit close-to-body for maximum warmth and freedom of movement, The Explorer Quarter Zip is unlike any layer before and is the perfect layering piece for a wide range of cold weather activities, sports, or prolonged backcountry use. Infused with our ultra-thin SOLARCORE insulation technology, it will completely revolutionize what you thought a layer could do.

  • Features
    • Front and back panels are lined in NASA-inspired Solarcore insulation
    • Brushed-back fabric for comfort
    • Thumb-holes
    • Lining: 88% recycled polyester from post consumer content.
  • Specs/Care
    • Weight: 1 lb (M's size L)
    • Center Back Length: 28.5" (Men's L)
    • Shell: 92%Polyester/8%Elastane
    • Lining:88%Recycled Polyester/4%Polyester/8%Elastane.

Color:  Black Heather

Size:  X-Large

  • Fit Guide

  • Shipping



  • Zoned

  • Partial

  • Full

Insulation is strategically place to keep the core temperature up without sacrificing mobility.


  • Cool

  • Cold

  • Extreme

For chilly conditions on its own or in combination with other layers for more extreme conditions.


  • Dry

  • Wet

  • Harsh

Best in cold and dry conditions or as a midlayer for harsher weather.

Lower Level Temp

2° C 35° F

The warmth-to-bulk ratio offered by SOLARCORE is unparalleled. This revolutionary material derived from NASA technology, provides incredible insulation in a sleek package. SOLARCORE is strategically placed on the front and back panels to maintain core temperature.


Designed to Move and Protect

The Explorer Quarter Zip features a soft brushed back knit material through the arms and sides and 2mm SOLARCORE placed strategically in the core for comfort and warmth.


Purpose Built from the Inside Out

The Explorer Quarter Zip is built for seamless movement in cold weather. The integration of our thin and flexible SOLARCORE into the lining allows the quarter zip to comfortably form to the body, maximizing mobility and warmth.


Making the Most of Great Materials

Without sacrificing performance or quality, we select materials that reflect our commitment to sustainability. The Explorer Quarter Zip is lined with a performance mesh fabric that is made with 88% post-consumer recycled polyester.

Solarcore Insulation

Our proprietary technology delivers up to 70% more warmth and up to 200% less bulk when compared to traditional insulations.

Highly Breathable

Unparalleled Thermal Performance

Works When Compressed

Thin & Lightweight

Our Technology
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