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A man wearing a black 100 percent merino wool mock neck shown from the waist up against a textured grey background.

100% Merino Wool Mock Neck - Men's Midweight Top

$109.99
Color
Size

This premium mock neck, cut from pure Australian Merino, is built for performance base layering or standalone style. In Black and Navy. 


Description

This 100% Merino Wool Mock Neck from the Merino experts at Minus33 provides versatile thermal coverage and comfort. Crafted from ultra-fine 18.5-micron Merino wool in a 245 GSM interlock knit, it performs seamlessly as an elite base layer or a standalone sweater.


Materials

  • Fiber Content: 100% Merino Wool
  • Fabric Weight: 245 GSM Midweight
  • Knit Type: Interlock Knit
  • Fiber Fineness: 18.5 Micron Fibers
  • Sun Protection: UPF 50+
  • Certifications: OEKO-TEX® Standard 100, Woolmark®, Responsible Wool Standard® (RWS)
  • Care Rating: Total Easy Care (Machine Wash & Dry)

Construction & Fit

  • Total Garment Weight: 10.4 oz / 295g (Size Large)
  • Fit Type: Regular fit — standard cut with room to breathe without being baggy (Runs true to size)
  • Layer Type: Base Layer, Mid Layer
  • Neckline: Mock Neck
  • Stitching: Flatlock seams to prevent chafing
  • Label: Tagless design (no itchy neck tags)

Origin & Sourcing

  • Wool Source: 100% Australian Merino Wool
  • Ethical Standards: Responsible Wool Standard (RWS) certified animal welfare and land management

Recommended Uses

  • Ideal Seasons: Spring, Fall, Winter
  • Activities: Everyday Wear, Hiking, Camping, Biking, Running, Fishing, Hunting, Snowsports
  • Temperature Range: 0°F to 30°F (Active) | 30°F to 60°F (Inactive)

Size Guide

Measurements refer to body size, not garment dimensions. All measurements are in inches.

Size Chest Waist Sleeve Length Shirt Length Inseam
XS 33–35" 24–27" 30–31" 25.5–26.5" 25–27"
S 35–38" 28–30" 31–32" 26.5–27.5" 28–30"
M 39–41" 31–33" 32–33" 27.5–28.5" 29–32"
L 42–45" 34–36" 33–34" 28.5–29.5" 32–34"
XL 46–48" 37–40" 34–35" 29.5–30.5" 32–35"
XXL 49–52" 41–44" 35–36" 30.5–31.5" 34–35"
XXXL 52–54" 45–49" 36–37" 31.5–32.5" 34–36"
Care Guide: Turn inside out before washing. Machine wash cold on a gentle cycle with like colors using mild or wool-specific detergent. Tumble dry low heat. Do NOT use fabric softener or bleach. For seasonal storage, place in an airtight container.

About Minus33

Rooted in over a century of New Hampshire woolen heritage, Minus33 designs performance-driven Merino wool apparel built for the elements. Born and tested in the rugged White Mountains, the brand focuses on natural fiber performance, thermal comfort, and durable construction for demanding outdoor pursuits.


Product Story

This top carries the nickname Rogers Mock Neck, after Mount Rogers, the highest peak in Virginia at 5,729 feet, accessible via Grayson Highlands Park. The surrounding Mount Rogers National Recreation Area encompasses over 500 miles of scenic hiking trails winding through the region. 


Why No Polyester

Your Rogers Mock Neck is crafted from 100% natural Merino wool and contains zero synthetic poly blends. Here's why that matters to your health.

Shipping & Returns Policy

Free Shipping: Shipping is free on all orders.

Return Policy: ShirtCastle Originals: Because each ShirtCastle Original is made to order, we're unable to accept returns or exchanges. Please review product details carefully before ordering.

For partner-brand products, contact us at aaron@shirtcastle.com to request a return.

Damages & Defects: In the rare event of a manufacturing error, we will replace your item for free—you do not need to ship the original back. To report an issue, email aaron@shirtcastle.com within 30 days of delivery and attach a clear photo of the defect. We will reply via email and process your replacement.

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