The Icebreaker 200 Men's Thermo Base Layer in size L is made from 100% Merino wool, ensuring warmth and comfort during winter activities. This long-sleeve pullover features a crew neck neckline and a regular fit, ideal for hiking and other outdoor pursuits. The navy colour and brand Icebreaker add a stylish touch to this machine washable activewear piece, providing a reliable choice for cold weather adventures.