The Korda Mock Neck Thermal LS Shirt in Black is a base layer designed to provide warmth in cold conditions. It is made from a premium quick-dry brushed jersey fabric that helps regulate body temperature, offering heat retention while remaining breathable. The fitted cut reduces bulk and improves thermal efficiency, while the high neckline blocks cold drafts. The back is cut to stay in place during casting or baiting up. Integrated thumb holes keep the sleeves secure and give extra hand coverage, which is useful when layering under hoodies, fleeces, or jackets. The shirt is available in black and dark olive in UK outlets, while European retailers stock only the dark olive version. Sizing runs from Small to 4XL. - 92% polyester, 8% spandex, 225GSM - Brushed, jersey fabric - High neck for keeping out drafts - Thumb holes in sleeves - Perfect as a base layer - Comprehensive sizing range