**Product Specifications:**

**Brand:** hongdou

**Features:**

- Lightweight and warm

- Windproof and warm

- Thickened and warm

- Suitable temperature range: 5°C-15°C, -5°C-5°C, -15°C--5°C

- Soft and comfortable underwear (100% cotton)

- Basic single-layer pants are naturally soft and warm

- Moisture-wicking inside, warm outside

- Carefully selected soft cotton material

- Breathable and durable fabric

- Comfortable and non-restrictive fit

- Elastic waistband for a snug fit

- Ribbed cuffs for wind protection and warmth

**Material:**

- Fabric Composition: 100% cotton

**Size Chart:**

- Women's Sizes: 160/85, 165/90, 170/95, 175/100

- Men's Sizes: 170/95, 175/100, 180/105, 185/110

**Color Options:**

- Women's: Ann, Elegant Pink, Cherry Blossom Pink, Black, Light Apricot

- Men's: VV, Navy Blue, Dark Linen Gray, Light Linen Gray

**Care Instructions:**

- Due to different measurement methods and fabric elasticity, there may be a 1-2cm error in measurements

- Recommended washing instructions provided to prevent color fading and maintain product quality

**Additional Information:**

- Color discrepancies may occur due to lighting and display settings

- Normal color fading may happen during washing due to post-processing treatments

- Initial soaking in saltwater recommended for dark-colored garments to prevent color fading

- Allow for ventilation to reduce any initial odors from packaging

- Pilling may occur due to fabric composition and friction, but can be minimized with proper care

Please note that the above specifications are based on the information provided and are subject to variations in actual products.