It's M size

• Garment Length: 69 cm（approx.27.17 inches）
• Chest Circumference: 104 cm（approx.40.94 inches）
• Shoulder Width: 42 cm（approx.16.54 inches）
• Suggested Weight: 100 - 120 jin ≈ 110.23 - 132.28 lbs

Size L

• Garment Length: 71 cm（approx.27.95 inches）
• Chest Circumference: 108 cm（approx.42.52 inches）
• Shoulder Width: 44 cm（approx.17.32 inches）
• Suggested Weight: 120 - 140 jin ≈ 132.28 - 154.32 lbs

Size XL

• Garment Length: 73 cm（approx.28.74 inches）
• Chest Circumference: 112 cm（approx.44.09 inches）
• Shoulder Width: 46 cm（approx.18.11 inches）
• Suggested Weight: 140 - 160 jin ≈ 154.32 - 176.37 lbs

Size 2XL

• Garment Length: 75 cm（approx.29.53 inches
• Chest Circumference: 116 cm（approx.45.67 inches
• Shoulder Width: 48 cm（approx.18.9 inches）
• Suggested Weight: 160 - 180 jin ≈ 176.37 - 198.42 lbs

Size 3XL

• Garment Length: 77 cm（approx.30.31 inches）
• Chest Circumference: 120 cm（approx.47.24 inches）
• Shoulder Width: 50 cm（approx.19.69 inches）
• Suggested Weight: 180 - 200 jin ≈ 198.42 - 220.46 lbs

• Brand: Gangda
• Clothing Fit: Standard Fit
• Launch Year: 2025
• Clothing Style Details: Printed
• Clothing Craft: Garment Washing
• Hem Design: Self - fabric Hem
• Basic Style: Fashion Urban
• Fabric Classification: Cotton
• Applicable Object: Youth
• Applicable Scenario: Daily
• Material Composition: 100% Cotton
• Applicable Season: Summer
• Style: Sleeveless Vest
• Fabric Function: Moisture Absorption and Breathability
• Thickness: Regular
• Place of Origin: China
• Launch Season: Summer 2025
• Sub - style: American Casual
• Collar Type: Crew Neck
• Garment Length: Regular Style
• Pattern: English
• Placket: Sweater
• Sizes: 3XL, 2XL, M, L, XL
• Colors: Royal Blue, Black, White, Lychee Red