Men's Thermal Underwear Top – Double-Sided Fleece Long Sleeve Mock Neck Shirt

Stay warm and comfortable during cold weather with this men's thermal underwear top. Featuring a soft double-sided fleece interior and a half-high collar, this long-sleeve thermal shirt provides extra warmth without adding unnecessary bulk.

Its breathable, moisture-wicking construction helps keep you comfortable during everyday activities, outdoor use, work, travel, or layering under jackets and sweaters.

Features:

• 🔥 Double-sided fleece for added warmth
• 🧥 Half-high/mock neck collar for extra neck coverage
• 💨 Breathable and moisture-wicking fabric
• ⚡ Anti-static design
• 👕 Long sleeves for full upper-body coverage
• ❄️ Ideal for cold weather and winter layering
• 🎨 Available in multiple colors
• 📏 Sizes M–5XL

⭐ Key Features

Warm & Cozy: Double-sided fleece construction helps retain body heat.

Breathable: Designed to help manage moisture and maintain comfortable wear.

Extra Neck Protection: Half-high collar helps protect against cold air.

Versatile: Perfect for wearing alone or underneath jackets, coats and sweaters.

Multiple Sizes: M, L, XL, 2XL, 3XL, 4XL and 5XL.

📏 Size Guide

Important: Please check the seller's size chart before ordering, as sizing may differ from standard US sizing.

🎨 Colors

• Black
• Brown
• Dark Gray
• Green
• Khaki