Expanding upon the beloved Quantum midlayer, Icebreaker presents an enhanced version that incorporates Lyoloft insulation, elevating its performance as a technical layering piece. With this innovative addition, the garment excels in providing exceptional warmth while the breathability function effectively regulating your body temperature during high-intensity activities in the mountains. The incorporation of Lyoloft insulation proves to be a game-changer, offering superior thermal efficiency without compromising on mobility or comfort. Whether you're trekking through snowy peaks, embarking on exhilarating climbs, or conquering demanding alpine trails, this technical layer ensures you stay cosy and well-protected against the elements.  Icebreaker's dedication to using high-quality materials shines through in this design. The Quantum midlayer, already renowned for its functionality and versatility, now gains an edge with the Lyoloft insulation, catering to the needs of outdoor enthusiasts and adventurers alike. Embrace the confidence to push your limits and tackle any challenge in the mountains, knowing that this intelligently engineered layer will keep you comfortably warm and supported throughout your journey. Mens Merino Quantum Hybrid Long Sleeve Zip Hoodie