Marmot Reactor Pant Men's
For the ultimate in lounging, or for a truly cozy mid-layer
For the ultimate in lounging, or for a truly cozy mid-layer, the Reactor fleece pant is the pinnacle of comfort.
- Back zip pocket to secure small items
- Elastic draw cord waist for adjustability and comfort
MPN: 8172
Brand: Marmot
Polartec Thermal Pro
Polartec Thermal Pro fabrics are the most visually dynamic and technically advanced of the Polartec insulation fabrics. Available in a variety of unique surface textures and patterns, many of which are designed to enhance performance, Polartec Thermal Pro fabrics are great styling options for virtually every end use. New high loft versions have achieved the highest warmth to weight ratios of any fabric Polartec has ever offered. Other versions have the look of traditional wool with all the performance benefits of fleece. Polartec Thermal Pro is our most diverse family of fabrics.
Marmot Men's/Unisex Sizing Chart
Sizing by Height and Weight
| 4'11"-5'2" | 5'2"-5'6" | 5'6"-5'10" | 5'10"-6'2" | 6'2"-6'6" | |
| 90-110 lbs | XS | S | |||
| 110-135 lbs | XS | S | M | ||
| 135-160 lbs | S-M | M | M-L | ||
| 160-195 lbs | M-L | L | L-XL | ||
| 195-230 lbs | L | L-XL | XL-XXL | ||
| 230-265 lbs | XL-XXL | XXL-XXXL |
Sizing by Measurements
| XS | S | M | L | XL | XXL | XXXL | |
| PARKAS/JACKETS/SWEATERS/TOPS (UNISEX) | |||||||
| Chest | 33-35 | 36-38 | 39-41 | 42-45 | 46-49 | 50-53 | 54-57 |
| Neck | 13.5-14 | 14.5-15 | 15.5-16 | 16.5-17 | 17.5-18 | 18.5-19 | 19.5-20 |
| Sleeve | 30-31 | 32-33 | 34-35 | 35-36 | 36-37 | 37-38 | 37-38 |
| PANTS/BIBS (UNISEX) | |||||||
| Waist | 26-28 | 28-30 | 31-33 | 34-36 | 37-39 | 40-42 | 44 |
| Hip | 36-38 | 38-40 | 40-42 | 43-45 | 46-48 | 50-52 | 56 |
| Inseam | 28 | 29.5 | 31 | 32.5 | 33 | 33.5 | 34.5 |
| GLOVES (UNISEX) | |||||||
| Girth | 6.5-7 | 7-7.5 | 8-8.5 | 9-9.5 | 10-10.5 | -- | |
Care Instructions
Marmot does not recommend dry cleaning for any of our products. Gore-Tex fabric products, MemBrain fabric products, down insulated products, and fleece are all machine washable. You should use a commercial front loading machine and follow the care instructions.