Stanfield's Men's HeatFX Heavy Base Layer Long Underwear

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.

• Top access, Functional fly opening
• Lightweight, heat branded waistband
• Reduced bulk, flatlock seam construction
• Tagless labelling
• Body fit
• Ideal for activity level moderate to high
• All goods are guaranteed to be free from all defects in material or workmanship when shipped, with the exception of branded seconds. Defective goods may be returned to us for credit without prior authorization.
• This item purchased online must be returned to the vendor by mail only. This item cannot be returned to Macy's stores.
• 57% acrylic, 38% viscose, 5% spandex
• Machine wash