# SILVER UNDERWEAR WINTER LONG SLEEVE

> PISSEI SILVER UNDERWEAR WINTER LONG SLEEVE - Thermoregulating, antibacterial base layer for 6–12°C; quick-drying, close-fitting

- Price: 90.00 CHF
- Brand: PISSEI
- Category: Long Sleeve Jerseys
- Availability: in stock
- SKU: 8102600001707

## PISSEI SILVER UNDERWEAR WINTER LONG SLEEVE (Argentum)

The PISSEI SILVER UNDERWEAR WINTER LONG SLEEVE is a technical **long-sleeve base layer** for cyclists who rely on dependable **thermal regulation** during the cooler months. The Argentum construction uses a high proportion of **metallised silver fibre** to strategically manage body heat while reducing odour formation. According to the manufacturer, the shirt is designed for temperatures of **6–12 °C**, making it ideal for autumn days and mild winter rides in the lowlands. The material blend of polypropylene, elastane and silver provides a close fit, quick drying and comfortable skin feel at high cadences.

- **Argentum silver fibre** for antibacterial effect and efficient heat management  
- Recommended temperature range **6–12 °C** for cool to cold rides  
- **Quick-drying** and moisture-wicking for a dry wearing experience  
- Elastic **one-size fit** for different body types  
- Developed for cycling: low-seam, comfortable feel under jersey or winter jacket

## Technical Details and Functions

The composition is precisely specified: **90% polypropylene, 6% elastane and 4% metallised silver fibre**, keeping the base layer lightweight while maintaining a stable fit. Polypropylene supports **moisture management**, while elastane increases **freedom of movement** and stabilises the fit. The integrated silver fibre is naturally **antibacterial** and can influence infrared heat radiation, supporting the body's heat balance. Care instructions are practical: wash at 30°C, no tumble dryer, no ironing – ideal for frequent training. The manufacturer's specified temperature range of 6–12°C positions this shirt as a **winter base layer** for moderate cold and efficiently complements your layering system.

## Applications and Benefits

As the first **base layer** under long-sleeve jerseys or winter jackets, the Argentum shows its strengths when it's fresh to cold outside and intensity varies. In the 6–11°C range, independent guides explicitly recommend a warm **winter base layer** to wick sweat away from the skin and prevent cooling down. For rides below 5°C, you combine the base layer with insulating mid-layers and windproof outer layers to scale the thermal performance. This keeps you comfortable on long endurance sessions, commutes or brisk after-work rides in the Swiss winter without overheating.

## Fit and Daily Care

The **elastic one-size fit** covers different builds and fits close enough for **moisture wicking** to function efficiently without being restrictive. Under close-fitting jerseys, the material doesn't bulk up and prevents friction points – especially on longer bike rides. For longevity: **30°C delicate wash**, no bleach, no tumble drying and no ironing; this keeps elasticity and structure stable. Those sensitive to odours additionally benefit from the **antibacterial** properties of the silver fibre, which can inhibit microbial growth and thus enable a fresh wearing feel for longer.

## Material Science Background (for Tech Enthusiasts)

Silver in textiles is an excellent **heat and electrical conductor** and can reflect or control infrared radiation, extending the body's **thermal comfort zone**. Studies show that silver-coated fabrics can influence IR transmission and reflection, promoting heat release or retention depending on the environment. At the same time, silver particles in textiles demonstrate proven **antibacterial activity**, leading to less odour formation during sweaty sessions. These effects align with the goal of a **performance-oriented base layer**: keep warm when necessary, and efficiently remove excess heat and moisture.

## Variants

- 8102600001707: in stock

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Source: https://kilometro.ch/en/products/long-sleeve-jerseys-666/silver-underwear-winter-long-sleeve-855