Stay effortlessly comfortable and stylish with this Marks and Spencer Heatgen Women’s Black Long Sleeve T-Shirt in a UK size 12. Crafted from a soft blend of polyamide, polyester, and elastane, this top provides lightweight warmth while maintaining a smooth, fitted silhouette. The Heatgen fabric technology ensures enhanced insulation for cooler days, making it a reliable layering option for your autumn and winter wardrobe. Designed in a versatile solid black tone, it offers timeless appeal that complements a variety of outfits, from casual jeans to tailored trousers or skirts. The jersey fabric gives a soft, breathable feel against the skin, while the natural stretch ensures easy movement without losing shape. Featuring a simple crew neckline and classic long sleeves, this essential wardrobe piece offers effortless style, suitable for both casual and workwear settings. The slim fit flatters the figure without feeling restrictive, while the pullover closure allows for quick and easy wear. Whether layered underneath a cosy jumper, blazer, or jacket, it serves as an insulating base that keeps you comfortably warm through the day. Machine washable for low-maintenance care, this top is designed to retain its shape and texture even after multiple wears. Perfect for women seeking a balance between function and everyday elegance, the Marks and Spencer Heatgen Black Long Sleeve T-Shirt is a must-have versatile layer that seamlessly blends comfort, practicality, and polished simplicity. Slightly worn but in excellent condition, this pre-loved piece offers quality and sophistication at a fantastic value, making it an ideal choice for adding warmth to your wardrobe staples without compromising on style. A dependable addition that brings understated luxury to your cold-weather essentials.