Core Drive Sports
Men's Thermal Underwear Long Johns Base Layer Set M115
Men's Thermal Underwear Long Johns Base Layer Set M115
Stay exceptionally warm during extreme winter conditions with this ultra-heavyweight men's thermal underwear set. Crafted with an ultra-thick soft fleece lining and high-stretch fabric, this two-piece base layer traps body heat to deliver optimal insulation without restricting your natural movement.
Designed for lasting cold-weather comfort, the set includes a long-sleeve crewneck top and matching bottoms featuring ribbed cuffs to seal out drafts. A practical double-layer fly adds daily convenience, making it the perfect base layer for outdoor work, winter sports, and freezing temperatures.
Key Features
| Product Type | Base Layer Set |
| Gender | Men's |
| Material | 95% Polyester, 5% Spandex |
| Lining | Fleece Lined |
| Fabric Weight Class | Heavyweight |
| Fit Type | Fitted |
| Neck Style | Crew Neck |
| Sleeve Length | Long Sleeve |
| Closure Type | Pull On |
| Stretch | 4-Way High Stretch |
| Item Weight | 1.4 lb |
| Style Number | M115 |
| Care Instructions | Machine Wash |
Highlights
- COMFORT & ULTRA WARM: This thermal underwear for men of Ultra-Warm Series is made of 95% Polyester and 5% Spandex fabric with a ultra thick soft fleece lining that keeps you cozy. The thermal sets create a second skin sensation and effectively seals out the cold.
- Ultra Heavyweight Thermal Underwear for LOCKING HEAT: This ultra heavyweight base layer is suitable for individuals living, playing, or working in frigid temperatures. It provides heat retention and insulation, keeping the wearer warm and comfortable in cold environments.
- ELASTICITY & SNUG FIT: 4 way stretch knitted fabric maximizes stretchability to provide comfort, and ribbed cuffs prevent wind from penetrating. These thermal long johns move with the body, ensuring a snug fit that protects against cold elements.
- CONVENIENT OPEN FLY: Features a double-layer open fly design for easy access.
- PERFECT FOR EXTREME COLD WEATHER: Designed specifically for freezing temperatures, this super heavyweight base layer offers warmth for outdoor workers, those living in cold northern regions, and the elderly.
Materials & care
Constructed from 95% Polyester and 5% Spandex with a soft fleece lining. Machine wash for regular care.
Sizing & fit
Designed with a modern, snug fit featuring 4-way stretch knitted fabric and ribbed cuffs to keep warmth locked in.
Size chart
| Brand Size | US Size | EU Size | JP Size | Length (in) |
|---|---|---|---|---|
| S | S | S | XL | 65 - 69 |
| M | M | M | 2XL | 67 - 71 |
| L | L | L | 3XL | 69 - 73 |
| XL | XL | XL | 4XL | 70 - 74 |
What's included
- 1 x Men's Long-Sleeve Thermal Top
- 1 x Men's Thermal Pants
Frequently asked questions
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