IG: baisky_cycling +++Short Jersey with Longer Sleeve, Race-fit Cutting---Baisky is a Taiwan brand launched in 2016. "Asian Size" to worldwide customers. [Chest/Waist Measurement] Loose-Fit ●78-84 cm (31-33") S ●82-88 cm (32-35") M ●86-92 cm (33-36") L ●90-96 cm (35-37") XL ●94-100 cm (37-39") XXL ●98-104 cm (38.5-41") 3XL ●102-108 cm (40-42.5") 4XL[Model Measurement]Form-fit Size ●175 cm/ 72 kg (5.7 ft./ 157.7 lb.) Chest 98/ Waist 83/ Hip 95 cm. Amateur Cyclist--Size M ●178 cm/ 67 kg (5.8 ft./ 147.7 lb.) Chest 86/ Waist 69 cm. High Muscle Rate--Size S ●178 cm/ 110 kg (5.8 ft./ 242.5 lb.) Chest 114/ Waist 114/ Hip 114 cm. No exercising---Size 4XL ●180 cm/ 87 kg (5.9 ft./ 191.8 lb.) Chest 105/ Waist 94/ Hip 107 cm--Size XL (comfortable), Size L (skin-tight, for racing) ●181 cm/ 70 kg (5.9 ft./ 154.3 lb.) Skinny look, no exercising--Size S (comfortable) ●182 cm/ 75 kg (5.9 ft./ 165.4 lb.) Chest 92/ Waist 72 cm. Swimming Coach, fit body with pecs--Size L (fit, comfortable) ●185 cm/ 88 kg (6 ft. / 194 lb.) Chest 100/ Waist 90 cm--Size XXL (Semi-fit) ●190 cm/ 80 kg (6.2 ft. / 176.4 lb.) Cyclist--Size L "Form-fit/Skin-tight" for best cycling. One size bigger for all-day comfortable riding.