# Men's HeatFX Midweight Base Layer Long Underwear

- **Brand:** Stanfield's
- **Price:** $45.00
- **Catalog:** macys
- **Retailer:** macys
- **Product URL:** https://go.cosimo.shop/r/gAAAAABqYSbM3rgY59u0ID0UD43jo7zxrkanews6K0ImcpESw2jMRgJyKUNBWkPvz88DBwUSllkITYP4VwKAP3bKigwDphTxTEu3jbdSuHWcFF4-dHk8lAbAPNTfRY14-NQCrF-ZTE07dDzs64CwVzwnj-ZO1g_TEGAuO1VTGGrliENG1BXBQVbzEuqtNTnvAHKQ4DaoXgClhvidcPVNFFZzFCmUJkLhBH4ZsRs30JVK49zOOYkiwUw5Mv_xyLtzvqJrTeTDAbWBz0afevTglHkxZuQJBp8_fCFoQHCkyga4LsRMz6OIqFV1vplgn5zhToR6Fi8bMxKQ7kKZWlfjkL9Lm9-8Na1ME-jenf9dL9BS-Sa1FNNqSccI5xh3EN6rM5FbzY-St82aRkEMl8neXatiYAxm7mXMcCAGAKEtX9k_ZHAsl4hrsBiWHerJlh4QR7DtduxqjIbHZtYRA2pWctnjaDyhJmUBh2PX78yVE_kQtgnQut3AlYk=
- **GTIN:** 67205131199

## Summary

Men's midweight base layer long underwear in black, featuring HeatFX thermal fabric for warmth without bulk and a polyester-spandex blend for mobility and moisture management.

## Description

Heat Ultralight fabric innovation is a combination of technically engineered fiber formations that provide superior warmth without bulk. Microscopic "pockets" inside the fiber create a thermal warming effect. This fabric is designed with spandex to enhance fit, mobility, and moisture management.

## Appearance

- **Colors:** Black
- **Sizes:** XXLarge, Large, Medium, Small, XLarge
- **Materials:** 96% polyester, 4% spandex

## Categories

- **Categories:** Men's Fashion, Shoes & Accessories > Underwear & Socks

## Enrichment

- **Type:** long underwear
- **Type Synonyms:** thermal leggings, base layer bottoms, long johns
- **Gender:** male
- **Age Groups:** adult
- **Activewear:** Yes
- **Tags:** midweight, elastic waistband, body fit, thermal fabric
- **Styles:** functional, basic
- **Colors:** black
- **Color Families:** Black
- **Category Path:** Apparel & Accessories > Clothing > Underwear & Sleepwear > Sleep & Loungewear > Thermals & Base Layers
- **Fabric:** Elastane (Spandex / Lycra), Polyester
- **Pattern:** Solid
- **Insulation Level:** Midweight, Thermal
- **General Clothing Features:** Stretchable
- **Canonical Brand:** Stanfield's

## Images

- ![Image 1](https://cdn.octogen.ai/34c38856c16040271b45f6d05bb8d626/8af622a48553c6536cfaaf440e08b920.webp)
- ![Image 2](https://cdn.octogen.ai/34c38856c16040271b45f6d05bb8d626/08fa96f9de5e48057e927c25b3dfa75d.webp)
- ![Image 3](https://cdn.octogen.ai/34c38856c16040271b45f6d05bb8d626/61be43d0804fae3e057c9f75cd192d92.webp)

---
*Source: cosimo.shop | Product ID: c5f30797-85ad-4396-8871-14091be2b184 | Canonical URL: https://cosimo.shop/product/stanfields/men-s-heatfx-midweight-base-layer-long-underwear-c5f30797-85ad-4396-8871-14091be2b184*