Shift Sale: Extra 30% off select items with code SHIFT30  |  Extra 20% off select gear with code SHIFT20

Two Systems Go Go V4 Trifecta Thermal Bivy

geartrade  |  SKU: MAAMODT5587
$3710 47% Off

Original price

$7000

Shipping calculated at checkout.

Condition
Excellent  NEW
Never used. Shows no signs of wear. New items may have the original tags or come in their original packaging.

EXCELLENT
This gear should be like new with very minimal use and wear.

GOOD
This gear is still in good shape. There’s some wear and tear, but has plenty of life left in it. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, and minor but noticeable staining, etc.

FAIR
This gear is still usable and is in OK shape, but shows noticeable signs of wear and tear. Fair condition products likely have cosmetic blemishes throughout such as pilling, lint, animal hair, and dried dirt. Physical damages such as holes, tears, loose stitching, and staining are often found on Fair items. Fair items are valued for function over form.

Free Shipping on Orders $100+*

Free Shipping on Orders $100+

  • Offer valid on products purchased from the sellers Geartrade or Backcountry
  • Not valid on orders shipped to Alaska and Hawaii
  • Not valid on products in the following categories: complete bikes, bike frames, bike wheels, travel cases, kayaks, inflatables, pontoons, SUP's, surfboards,wakeboards, crash pads, windsurf boards, cargo boxes, car racks, skis, snowboards, tents, backpacks and coolers

FAQ's

Are the product photos of the actual items?

  • Yes! Geartrade does not use stock photos on their used gear. What you see, is what you get.
  • Some items in new condition may have stock photos.

Why should I buy used gear?

  • Good gear is built to last, you can save a lot of money and it's great for the planet.

I want to sell gear - what do you accept?

What is your return policy?

  • We offer a generous no-questions-asked 14 day return policy for eligible items. Final sale items are not eligible for return. You have up to 14 days to initiate a return after your order has been delivered. The item needs to be in the same condition we sent it to you (keep those tags on). Our full return policy can be found here: Return Policy

How fast do you ship?

  • Most orders placed before 1pm MST are shipped out that day. We ship Monday-Friday.
Why Geartrade?
  • Items are Hand-inspected by Gear Experts
  • Steep Discounts on Premium Outdoor Brands
  • Over 3 million pounds of gear diverted from landfills since 1999


When the alpine air bites and the stars burn cold overhead, your sleep system becomes the core of your resolve. The Two Systems Go V4 Trifecta Thermal Bivy redefines minimalist shelter, stripping away complexity to deliver profound warmth and unwavering security across diverse landscapes. Imagine seamlessly integrating your pad and quilt into one cohesive unit, eradicating frustrating cold spots and pad migration, allowing you to settle into an optimal thermal envelope from -10° to 40°F without a second thought. Its proprietary 3-layer shell – a durable 20D ripstop exterior with DWR, an ingenious vapor barrier reflecting body heat, and a soft 15D inner – cradles you in comfort while repelling the elements. Whether you're ultralight backpacking deep into the wilderness, pushing miles on a bikepacking route, or needing a reliable, low-profile shelter for unexpected overnights, the Trifecta’s generous girth and spacious footbox invite layering and free movement, all within a compact 17.6 oz package that practically disappears in your kit. This is more than a bivvy; it's a silent partner, ready to transform any exposed patch of ground into a resilient haven. 
 
PRODUCT CONDITION
 
This UnNew Two Systems Go V4 Trifecta Thermal Bivy is in Excellent condition. 
 
Products in Excellent condition have seen minimal use and wear. Any imperfections are purely cosmetic and do not affect the intended performance of the product.   

TECH SPECS

  • Brand: Two Systems Go
  • Material: Tyvek 1460C
  • Can be used as a bivy, canopy, or a emergency blanket
  • One side is reflective to trap body heat
  • Zippered closure
  • Lightweight and portable
  • Water resistant
  • Blocks 98% of UV rays 

Not everything needs to be new. Earth matters too.

Wear it Out ™

Your Security Matters

Payment Methods

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.