Gentleman Jane
The Foundation Tank
The Foundation Tank
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Designed for structure. Worn without compromise.
The Foundation Tank is crafted for confidence, comfort, and authentic self-expression. With a clean, masculine silhouette, premium stretch fabrics, and thoughtful construction, it delivers elevated intimate apparel designed to help you feel as good as you look.
Materials
Materials
Premium Fabric Blend
Body
- 57% Cotton
- 38% Modal
- 5% Spandex
Lace
- 82% Nylon
- 18% Spandex
Crafted from a premium cotton-modal blend for exceptional softness, breathability, and all-day comfort. Stretch lace panels provide flexibility while maintaining a clean, masculine silhouette.
Made in the U.S.A. using imported fabrics
Care Instructions
Care Instructions
To help maintain the fit, softness, and longevity of your garment:
- Turn garment inside out before washing.
- Machine wash cold on a gentle cycle.
- Use only non-chlorine bleach when needed.
- Tumble dry low.
Shipping & Returns
Shipping & Returns
Eligible items may be returned within 14 days of delivery if they are unworn, unwashed, in their original condition, and include all original tags and packaging.
Need a different size? We're happy to help. Gentleman Jane covers shipping on approved size exchanges.
Please note: For hygiene reasons, The Foundation Brief is final sale and cannot be returned or exchanged.
For complete details, please see our Returns & Exchanges Policy.

Collapsible content
Bundle Savings
2 pieces — 10% off
3 pieces — 15% off
4 pieces — 20% off
Discounts applied automatically at checkout.
Build Your Set and Save.
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The Foundation Tank
Regular price $48.00 USDRegular priceSale price $48.00 USD -
The Foundation Shorts
Regular price $48.00 USDRegular priceSale price $48.00 USD -
The Foundation Brief
Regular price $42.00 USDRegular priceSale price $42.00 USD -
The Foundation Robe
Regular price $118.00 USDRegular priceSale price $118.00 USD