For over four decades, Terramar has been the pioneer in pure silk base layers, and Thermasilk remains the gold standard for those who value natural performance. Whether you’re heading out for a winter hike or just need an extra layer under your everyday clothes, this ultra-lightweight crew neck top delivers unbeatable warmth without the bulk.
Experience the benefits of natural thermoregulation technology, which keeps you comfortably warm and dry across a wide range of temperatures. The breathable silk fabric allows for excellent moisture management, pulling sweat away from your skin to maintain ideal comfort. With UPF-rated sun protection, it’s perfect for both indoor and outdoor activities.
Designed for ease of movement, it features a stretch comfort waistband and rib trim for a flexible, low-profile fit that layers seamlessly under regular clothing. Made from 100% filament silk jersey, this top is not only functional but also feels luxurious against your skin.
Looking for the best silk base layer for cold weather? Thermasilk provides reliable performance whether you’re skiing, camping, or simply staying cozy at home. Pair it with Thermasilk pants for a complete set that ensures all-day comfort in any adventure.
