The Glowear Type R Class 2 Thermal High Visibility Jacket with Removable Sleeves can be worn three different ways for the ultimate in adaptability. 1) Wear on its own as a warm, high-visibility jacket. 2) Remove the zip-off sleeves on warmer days to wear it as a hi-vis vest. 3) For serious cold-weather work, this safety reflective jacket can be zipped into our 8386 Outer Shell Hi-Vis Safety Jacket (sold separately) to create a parka. This winter work jacket features a quilted body with 100g 3M Thinsulate Insulation adds warmth without a lot of extra bulk and quilted sleeves with 80g 3M Thinsulate, making this ideal winter workwear. The weatherproof 300D polyester outer shell resists wind and water, while remaining breathable for warmth and dry comfort on the job.