I wear a small, this one fits like a medium. I would switch to XS but they don't make it. I have bought this brand from a small in the past, it has been perfect, but unfortunately not on this one. Excellent material although at a price I will leave it as I need light polos.
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review
Calvin Klein π Herringbone Sleeve Men's Dress Clothing
50 Review
Gildan Performance Men's π Clothing and Shirts with Moisture-Wicking Polyester
44 Review
H2H Mens Casual Slim Fit Short Sleeve T-Shirts Cotton Blended Soft Lightweight V-Neck/Crew-Neck
46 Review
Cimic Black Athletic Short Sleeve T-shirts 520
50 Review
Optimized Airflux Sleeve for PGA TOUR Standards
43 Review
Bodybuilding Pack Workout Shirt from COOFANDY
46 Review
Newzill Compression Calf Sleeves (20-30MmHg) For Men And Women - Ideal Alternative To Compression Socks, Perfect For Running, Shin Splints, Medical Needs, Travel, And Nursing
42 Review