Heat Holders® Men's Long Sleeve Thermal T-Shirt Introducing the Heat Holders® Men's Ultra Lite Long Sleeve T-Shirt - a remarkably cosy and functional tee, crafted for all-day wear with a friendly and helpful disposition! This shirt's high-quality fabric boasts multi-directional stretch, allowing for smooth movement and durability. The gentle peached finish inside and out guarantees a soothing, skin-friendly experience. To elevate your comfort, side panels and a specially designed armhole are also incorporated for an outstanding fit. With a 50+ UPF rating, this fabric effectively blocks 98% of harmful UVA and UVB ultraviolet rays, ensuring reliable sun protection. These long sleeve T-Shirts are available in Charcoal or Silver and are made from: 88% Polyester, 12% Elastane. They have 5 size options: S, M, L, XL & XXL and are Machine Washable. Extra Product Details Heat Holders Thermal T-Shirt Long Sleeve Length Multi-Directional Stretch 50+ UPF Rating Flat Seam Construction Quick Drying Ideal For Casual Wear 2 Colour Options Soft Peached Finish 5 Sizes Available Machine Washable