Ultimate warmth. Designed for the coldest days and the biggest adventure. Olympus is the warmest baselayer offered by Mons Royale, with unrivalled warmth to weight ratio and strategically placed mesh panels to ensure breathability.
We took our popular Classic All-Season Merino Base Layer and added a 1/4 zip to it—making it the perfect base layer for warm or cold weather. This base layer is comfortable, powerful, sustainable, and, frankly, do-it-all-able.
The Smartwool Classic All Season 3/4 Bottom is an ultra-lightweight base layer is perfect for year-round layering, whether you're taking on the Nordic trails or heading out for a cooler-weather hike, and comfortable enough to wear all day.