LangSha Men's Half Turtleneck Wool Sweater Winter Thermal Base Layer 10A Grade Antibacterial Knit Warm Underwear

Natural elasticity maintains garment shape and firmness after multiple wears.

Tested far-infrared emissivity ≥ 0.83 (actual 0.91).

Far-infrared radiation temperature rise ≥ 1.7°C (actual 2.1°C).

Certified to GB/T 30127-2013 standard for far-infrared performance.

Professional third-party quality inspection with official certification and compliance with national standards.

High-neck sweater available in black and dark gray colors.

| Size | Chest (cm) | Shoulder Width (cm) | Length (cm) | Sleeve Length (cm) |

|-------|------------|---------------------|-------------|--------------------|

| M | 96 | 41 | 65 | 60 |

| L | 100 | 42.5 | 67 | 61 |

| XL | 105 | 44 | 69 | 62 |

| 2XL | 110 | 45.5 | 70 | 63 |

| 3XL | 115 | 47 | 71 | 63 |

Manual flat measurement with 1-3 cm error margin is normal.

Size recommendations are based on garment fit and consumer feedback; individual preferences may vary.

Returns or exchanges due to size issues are buyer’s responsibility for shipping costs.

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