Mens Thermal Underwear Set Long Sleeve Top and Pants Winter Fleece Lined Base Layer
Quantity
Stay warm without bulk with this men’s thermal underwear set designed for cold weather performance and everyday comfort. Made for layering or standalone wear, this long sleeve top and matching pants provide reliable insulation, stretch flexibility, and a smooth fit that moves with you. Whether you’re training outdoors, commuting in winter, or relaxing at home, this set delivers warmth where it matters most.
Key Features
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Two piece thermal set with long sleeve top and matching pants
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Soft fleece lined interior for heat retention
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Stretch fabric allows full range of motion
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Breathable and moisture friendly for all day comfort
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Suitable for sports, fitness, workwear, or daily winter use
Why Choose This Thermal Underwear Set
Unlike bulky winter layers, this base layer set traps warmth while staying lightweight and flexible. The close fit design helps retain body heat, making it ideal for active and casual use during colder months.
Perfect For
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Cold weather workouts and running
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Outdoor work or travel in winter
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Skiing, hiking, and fitness training
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Daily wear as a warm base layer
Specifications
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Material: Thermal stretch fabric
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Set Includes: Long sleeve top and pants
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Fit Type: Fitted base layer
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Season: Autumn and winter
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Gender: Men
Size Guide
Top Measurements (inches)
| Size | Chest | Length | Shoulder | Sleeve |
|---|---|---|---|---|
| S | 34.25 | 26.38 | 14.17 | 22.83 |
| M | 35.83 | 27.17 | 14.96 | 23.43 |
| L | 37.40 | 27.95 | 15.75 | 24.02 |
| XL | 38.98 | 28.74 | 16.54 | 24.61 |
| XXL | 40.55 | 29.53 | 17.32 | 25.20 |
| XXXL | 42.13 | 30.31 | 18.11 | 25.79 |
Pants Measurements (inches)
| Size | Pants Length | Waist | Hip |
|---|---|---|---|
| S | 35.04 | 27.56 | 32.28 |
| M | 35.83 | 29.13 | 33.86 |
| L | 36.61 | 30.71 | 35.43 |
| XL | 37.40 | 32.28 | 37.01 |
| XXL | 38.19 | 33.86 | 38.58 |
| XXXL | 38.98 | 35.43 | 40.16 |
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