Minus33 Merino Wool Clothing
Midweight Wool Union Suit - 100% Merino Wool
Midweight Wool Union Suit - 100% Merino Wool
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The Union Suit is a historical undergarment that has been around since 1868. The Union Suit was first created in Utica, NY. Our Union Suit features a drawstring waist, plastic buttons on the top half, and flat snaps on the bottom half.
Fabric
- Fiber Content: 100% Merino Wool
- OEKO-TEX® STANDARD 100 Certified
- Woolmark® Certified
- Responsible Wool Standard® (RWS) Certified
- Knit: 245 g/m2 Midweight Interlock Knit
- Microns: 18.5 Micron Fibers
- UPF Rating: 50+
- Total Easy Care: Machine Wash & Dry
- Wool Source: Australia
- Imported.
Features
- Button-Up: Buttons up the front torso, with snaps on the lower half, extra button provided on care label
- Rear Opening: Low profile, snap opening
- Neckline: Henley Y-Neck
- Thumbholes: Allow for easy layering and added hand warmth
- Waistband: Adjustable drawcord
- Ribbed Ankle Cuffs: Keep in place and allow for easy layering
- Tagless Label: No Itchy Neck Tags
- Flat Lock Seams: Prevents Chafing
- Layer Type: Base Layer, Mid Layer
- Fit Type: Regular - Standard fit with a little bit of room to breathe, but not too baggy
- Model Features: The model in true red is 5'10 / 150 lbs wearing a medium
- Weight: Size Large = 21.6 oz. (612 grams)
- Style #: 4920
Uses
- Ideal Seasons: Spring, Fall, Winter
-
Activities: Everyday Wear, Hiking, Camping, Biking, Running, Fishing, Hunting, Skiing, Snowboarding, Ice Fishing
- Temperature Recommendations: 30°F to 0°F while active, 30°F to 60°F while inactive - Learn More
Care
Washing and Drying Instructions - Learn More
- Turn Inside Out
- Machine Wash Cold: Gentle cycle with like colors
- Detergent: Mild or wool-specific
- Tumble Dry: Low heat
- Storage: Place in an airtight container when not in use for long periods of time
- Do NOT Use: Fabric softener or bleach!
Shipping
Shipping
USA DOMESTIC SHIPPING
We offer standard shipping (5–9 business days) on all U.S. orders.
CANADIAN SHIPPING
Orders within Canada typically arrive within 3–7 business days. Please note that depending on the product or supplier, customs or duties may apply.
INTERNATIONAL SHIPPING
We offer standard international shipping (2–6 weeks). Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility and may vary by country.
Hassle-Free Returns
Hassle-Free Returns
We hope you love what you ordered! If something isn’t quite right, whether it’s the size, color, or simply not what you expected, feel free to reach out.
Returns and exchanges are handled according to our policy, which may vary depending on the product. You can review all the details here.
If you have any concerns or would like to discuss an exchange, don’t hesitate to contact us, we’re happy to help.
Our goal is complete customer satisfaction.


Shop with Purpose
OSADIA is a Spanish word that means "audacity." We believe this word reflects the unique journey and stories behind our products, those stories are all about hard work, courage and resilience. In Osadía you will find unique fair trade, handmade & socially responsible products, every product is empowering artisans, small businesses and vulnerable communities around the world.