STAY WARM: Stay warm in even the most extreme cold conditions in our hardest working vest that can keep you comfortable down to -50°F. An insulated knit collar provides extra coverage for your neck on colder days. ADDED COMFORT: Keep out the elements for added comfort with a water-repellent, wind-tight outershell. KEEP MOVING: Stretch knit sides provide added comfort and help improve overall mobility when wearing the vest. TOUGH: Highly durable for many years of use with tear- and abrasion resistant denier nylon outershell, reinforced brass rivets and bound seams that also help seal out drafts. ANSI CLASS 2: Stay safe with 2" 3M Scotchlite reflective tape. Reflective X on back to indicate facing direction. The Iron-Tuff HiVis Vest is perfect for extra warmth in the winter or colder environments when low visibility is also a factor. It features a longer back for extra warmth, stretch knit side gussets for snug fit, insulated knit collar and hand warmer pockets. The vest's nylon outershell provides tear- and abrasion-resistance and helps to seal out the wind and cold. ANSI Class 2 compliant with reflective tape featuring the X-Back safety feature.