**Product Specifications:**
**Brand:** BLACKMONDAY
**Material:** 100% long-staple cotton
**Thread Count:** 80s double yarn
**Softness:** Softer than skin
**Fabric:** High thread count and density long-staple cotton
**Color:** Blue-green
**Fabric Treatment:** Brushed for softness and skin-friendly
**Craftsmanship:** Double yarn with certain strength and resilience
**Quality:** Fine appearance, delicate texture, and soft yet structured feel
**Origin:** Genuine Xinjiang long-staple cotton
**Fiber Length:** Approximately 35% longer than regular cotton fibers
**Yarn:** Requires 60s and above for long-staple cotton
**Features:** Shrink-resistant, anti-pilling, colorfast, and shape-retaining
**Thickness:** Medium
**Sizes:** S, M, L, XL, 2XL, 3XL
**Color Options:** Blue-green, gray, slate gray, gray-blue
**Button:** Securely attached with special winding technology
**Fit:** Tailored for comfort and style
**Additional:** Detailed product images available
Please note that the provided information is based on manual measurements and may have a deviation of 1-2cm. Kindly refer to the size chart and choose accordingly based on your actual measurements.