Apparel & Accessories · Undershirts
3-Pack 18-Hour Jersey Crew Neck Undershirt
Mackweldon · sold by Mack Weldon · $108.30 · out of stock

Our classic undershirt in our insanely soft, signature 18-Hour Jersey fabric. Includes 3 undershirts. Also available in singles. Shop individual colors or build your own bundle. You will get a fitted crew neck that sits clean under any shirt without bunching or riding up. The breathable Jersey fabric keeps you comfortable whether you're wearing it layered or solo, making this 3-pack the reliable foundation for your rotation.
| Option | Price | Stock | |
|---|---|---|---|
| Classics / L | $108.30 | out of stock | |
| Classics / XL | $108.30 | out of stock | |
| Classics / XXL | $108.30 | out of stock | |
| Grey Heather / S | $108.30 | out of stock | |
| Grey Heather / M | $108.30 | out of stock | |
| Grey Heather / L | $108.30 | out of stock | |
| Grey Heather / XL | $108.30 | out of stock | |
| Grey Heather / XXL | $108.30 | out of stock | |
| Bright White / S | $108.30 | out of stock | |
| Bright White / M | $108.30 | out of stock | |
| Bright White / L | $108.30 | out of stock | |
| Bright White / XL | $108.30 | out of stock | |
| Bright White / XXL | $108.30 | out of stock | |
| Classics / S | $108.30 | out of stock | |
| Classics / M | $108.30 | out of stock |
Prices and stock from mackweldon.com’s public catalog, last checked 2026-11-01 06:35 UTC; the store’s checkout shows the final price. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:db018912-52b5-44c5-930e-8ffa77a2b42b; buy with POST /v1/checkout or MCP create_checkout.