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ULTRA Merino 145 Zip-T Hunting Shirt

Our best-selling mid-weight merino wool base layer. Naturally odor resistant.
Front of ULTRA Merino 145 Zip-T Hunting Shirt in Verde Camouflage

ULTRA Merino 145 Zip-T Hunting Shirt

Features

Best Use: All Conditions

Featuring Nuyarn® Merino technology, the 145 Zip-T features a thermoregulating, mid-weight Wool Nylon blend, making it our most versatile next-to-skin or layering option.

  • Weight

    8 oz / 227 g (L)

  • Protection

    UPF 50+ Rating, Naturally Odor Resistant

  • Material

    Nuyarn Merino- Body: 90% Merino Wool / 10% Nylon | Side: 83% Merino Wool / 17% Nylon

  • Conditions

    Cold

  • Layering Position

    Base Layer

  • Moisture wicking and quick drying
  • Anatomical shaping for fit and comfort
  • Side panels and raglan sleeves for added comfort and reduced chafing
  • Eyelet knit side panels for maximized breathability
  • 1 zippered chest pocket
  • Thumb holes
  • Thermo-regulating
  • Highly breathable
  • Flat lock seams
  • YKK Zippers

NEED MORE TIPS?

Back of Hunter Wearing Ultra Merino 120 LT LS Hoodie in Valo Camouflage Highlighting NuYarn Merino Wool

Do Your Research: Nuyarn® Merino

Learn how patented Nuyarn® Technology captures and maximizes the natural performance of merino wool in our hunting apparel and clothes.

A hunter backpacking across a snowy mountain.

Preparing for the Cold Weather Hunt

Perhaps nothing has changed the game for cold weather hunting than ultralight gear. Learn to leverage the advantages for your next hunt.

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Overall rating: 4.7874265 / 5 from 2211 reviews.

AI Generated Review Summary

The ULTRA Merino 145 Zip-T Hunting Shirt by KUIU is highly regarded for its exceptional material, fit, and comfort. Customers praise its lightweight design, breathability, and ability to regulate temperature effectively. The shirt is also noted for its durability and versatility, making it a top choice for active hunters.

Summary topics

  • Appearance (3%): It was highlighted by customers that the product "looks great" and "feels great."
  • Material Quality (4%): Customers appreciated the great material used in the product, which was mentioned multiple times in the reviews.
  • Layering Performance (22%): Many customers expressed appreciation for the great mid layer and its ability to keep you cool in the heat.
  • Overall Quality (9%): It was observed by customers that the quality of the product is great, with many describing it as excellent or high.
  • Comfort (5%): Customers raved about the great feel of the product, mentioning it multiple times in their reviews.

Review topics: ["construction","feel","color","problem","layer","fit","quality","price","weight","material","size","shirt","looks","top","weather","zippers","warmth","sleeves","fabric","piece","comfort","wear","pattern","gear","performance","base","style","wool","moisture","customer service"].

Review highlights

  • "The fit is perfect and the light weight material is so comfortable while providing the warmth I need." — Tim H.
  • "Great base layer, quality material, the right fit." — philip h.
  • "Great quality material, good zipper, love this pattern, comfortable...but it was huge!" — Isaac T.

Reviews

He Refuses to Take It Off! 😂

"My husband absolutely loves this! From the moment he got it, he hasn’t wanted to take it off. 😂 He says it’s super comfortable, and it looks great on him too. Definitely a great purchase and something he’ll be wearing all the time. Highly recommend!"

— Mayra V. (5/5)

So hoppy

"Thanks for the great products honestly have to say it’s the best base layer I’ve ever owned I’ve tried pretty much everything over the years – Swazi, several Norwegian brands, plenty of international brands, you name it\. But KUIU has genuinely impressed me\. The comfort, fit and quality are absolutely top\-notch\. All the products I ordered lived up to my expectations and more\. From one happy Norwegian hunter will order more"

— Daniel F. (5/5)

Great Shirt, most versatile of all the Merino weights

"I have many of these 145s, a couple 200s, and one 120LT. The 145s are my favorite and are my base layer for any outdoor activity in particular snowboarding. They are warm when they need to be and breathable when I get too warm. Big fan of the fit. XL 6'4" 250#"

— Tim H. (5/5)

Great layer

"Perfect shirt on cool days and I know it’s going to be an excellent base layer because I have the 145 hooded cousin. 5’8 - 173 pounds, the L fits roomy and comfortable."

— Bret C. (5/5)

Comfortable, regulates temp, Alaska 2026

"These were my go-to base layers for 2026 Alaska trip. Flyfishing north of Fairbanks required more of a mid weight, but this lightweight was just right for all the other days. Outside temps were 40-60."

— Peter U. (5/5)

Great Shirt

"Very soft and great fit. Super under the outer shell shirt. Can be worn hunting or on a casual night out. I would buy again."

— MIke P. (5/5)

just what i wanted

"I needed a light wool layer for our warm falls as the only shirt I'll wear and then for the winter as a base layer. Fits the bill!!!!"

— George J. (5/5)

When paired with the 120

"When paired with the 120 Marino short sleeve or long sleeve shirt or both it gives me enough warm in the mornings and afternoons cool enough. But packing in the wilderness on horses they reduce the weight and amount of my total gear. We pack in for 8 days so have 3sets clothing from top to bottom"

— Fredrick S. (5/5)

Very comfortable layer. Nice addition

"Very comfortable layer. Nice addition to my KUIU hunting clothes."

— Robert W. (5/5)

I thought it was thicker,

"I thought it was thicker, I'm in really cold weather this year and looking for a good underlayment"

— Anniel R. (3/5)

Q&A

What size to you suggest I am 6'1 240 body builder frame
We always recommend you order using the size chart on the product page. You'll want to order the size that corresponds with your largest measurement to ensure the best fit.

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