Fiber Heat Deorich Inner LL Size, Long Sleeve Crew Neck Approximately 2x Warmer ⚠️ Due to thickness, it may be necessary to repack and refold for shipping. Please understand. Although it is new and unused, it was displayed in a store, so there may be minor scratches, millimeter-scale dirt, and folding marks due to shipping. Please consider purchasing if you are not concerned about these issues.