The Sir W. Merino Wool 1/4 Zip is a versatile midlayer designed for natural performance and everyday refinement. Crafted from premium Merino wool, it provides breathable warmth, temperature regulation, and comfort across changing conditions — without the bulk or synthetic feel of traditional pullovers.

Cleanly finished and easy to layer, this 1/4 zip transitions seamlessly from cool mornings to travel days, work settings, and relaxed evenings.

Key Benefits

• Naturally temperature regulating: warms when needed, releases heat when you move

• Breathable and moisture managing for all-day comfort

• Odor resistant: ideal for travel and repeat wear

• Soft, non-itchy Merino wool with a refined hand feel

• Functional 1/4 zip design for adjustable comfort and layering

 Each piece is made-to-order in the USA using zero-waste 3D knitting technology, ensuring a flawless, seamless finish and a lighter footprint on the planet.

Knitted in 6–9 days and shipped directly to you.

Sweater Sizing (inches)

• 100% Merino wool
• 18.5 micron 15 gauge knit
• Super soft feel and drape

Designed with a modern, tailored fit and a classic 1/4 zip, this piece effortlessly transitions from casual outings to more refined occasions. Its smooth texture and minimal design bring a touch of luxury to your everyday wardrobe.

Dry clean or Handwash only