8 Best Silk Long Johns 2025 in the United States

The Grenasasilk Women's Silk Long Underwear is crafted from 100% pure mulberry silk, known for its high quality and hypoallergenic properties, making it an excellent choice for those with sensitive or allergy-prone skin. The material is ultra-soft, lightweight, and breathable, ensuring comfort and good moisture management.

This set includes both a top and bottom, intended to act like a second skin, providing extra warmth as a base layer in cold weather or serving as comfortable sleepwear. The elasticity of the knit fabric contributes to a snug yet flexible fit, which enhances comfort. However, it is crucial to refer to the provided size chart to ensure a proper fit, minimizing the need for returns.

The care instructions are straightforward: use a neutral detergent, wash on a gentle machine cycle or hand wash in normal temperature water, and air dry. Avoid using bleach to preserve the fabric's quality. While the product offers many benefits, some potential drawbacks include the need for careful washing and the relatively higher price point typical of silk garments. Additionally, the beige color may not appeal to all users, and there might be a preference for more color options. This product is best suited for individuals who prioritize comfort, skin health, and quality materials in their thermal wear.

Terramar Women's Thermasilk Pointelle Pant is made from 100% filament silk, ensuring high material quality and an ultra-soft feel, making them exceptionally comfortable to wear. The pants are lightweight, weighing only 1 pound, which is ideal for layering without adding bulk. The comfort stretch waistband and flexible rib trim contribute to a snug yet comfortable fit, accommodating various body shapes. The seams seem to be designed to integrate smoothly with the fabric, minimizing irritation and rubbing, which is important for undergarments.

Additionally, the pants offer UPF 50+ protection, which is a nice bonus for outdoor use, and Terramar's Climasense technology helps regulate temperature, keeping you dry and warm in various conditions. The machine wash care instructions make these pants easy to maintain, which is practical for everyday use. However, being imported may raise concerns for some users about the ethical production standards.

The variety of sizes and colors is a positive aspect, ensuring a better chance of finding the perfect fit. Potential drawbacks could include the durability of silk with frequent washing and the relatively high cost associated with silk products. Despite these considerations, these pants stand out for their comfort, functionality, and elegant style, making them a solid option for anyone in need of high-quality silk long johns.

The METWAY Silk Long Underwear Men's Mulberry Silk Long Johns are made from pure mulberry silk, known for its soft, lightweight, and smooth texture. The material quality is excellent, as silk is breathable, moisturizing, and hypoallergenic, making it ideal for sensitive or allergy-prone skin.

The set includes both top and bottom pieces, and the knitted fabric provides a snug, second-skin fit that is comfortable and moves with the wearer. This can be particularly beneficial for layering under clothes or wearing alone at home or for sleep. The low-neck design ensures it can be hidden under other garments easily. Additionally, the elasticity of the fabric ensures it adapts well to various body shapes, enhancing comfort.

Users need to carefully check size details before purchasing to avoid returns, as the correct fit is crucial for comfort. The seams are well-crafted, contributing to durability and a smooth feel against the skin. Care instructions are quite straightforward: it can be machine washed on a gentle cycle or hand washed in normal temperature water, but it should not be bleached. While silk is often considered a luxury material, it requires specific care to maintain its quality. This set is not overly heavy, making it suitable for layering without adding bulk. In summary, these silk long johns offer high-quality material, comfort, and ease of care, though ensuring correct sizing is important for the best experience.