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 Discovery Vest
color:Zenith Mercury
color:Zenith Mercury
color:Red Rock Mercury
color:Zenith Mercury
Men's Discovery Vest
Men's Discovery Vest

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Men's Discovery Vest

The Discovery Vest is an extremely thin and incredibly effective insulating layer that can keep up on any adventure.

  • Features
    • Front and back panels are lined in NASA-inspired Solarcore insulation
    • Shell: Stretch woven shell that is wind and water resistant
    • Lining: 88% recycled polyester from post-consumer content
    • Secure hand and chest pockets
  • Specs/Care
    • Weight: 1.1 lbs (Size L)
    • Center Back Length: 29" (Men's L)
    • Shell: 85%Polyester/15%Elastane
    • Side Panels: 100% Polyester
    • Lining: 88% recycled polyester/4% polyester/8% elastane.

Color:  Red Rock Mercury

Size:  Small

  • Fit Guide

  • Shipping



  • Zoned

  • Partial

  • Full

Insulation filled throughout the front and back panels of the vest.


  • Cool

  • Cold

  • Extreme

Cold conditions or in combination with other jackets for more extreme temperatures.


  • Dry

  • Wet

  • Harsh

Best used in mild conditions or light rain or snow.

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 the most warmth in the thinnest package on the market. In the Discovery Vest, we use SOLARCORE insulation on the front and back panels to maintain core temperature.


Designed to Move and Protect

The Discovery Vest features a DWR shell fabric for versatility and performance. 3mm SOLARCORE throughout body for warmth, and brushed-back fleece in the side panels for comfort.


Purpose Built from the Inside Out

The Discovery Vest is built for year round adventures. The integration of our thin and flexible SOLARCORE into the lining allows the vest 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 Discovery Vest 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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