I would say whatever size you usually go order one size up as these will run a bit tight if you order your normal size as they are elastane. I ordered a small once and it fit too tight and there was no room to breathe so I ordered a size up which is medium and it fits perfectly, the length is perfect and it hugs my biceps and the material is Great
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
Men'S Long Sleeve Polo Shirt - Slim Fit, Stretchy, Breathable Collar
43 Review
π Nantersan Placket Raglan Tee - A Casual Must-Have
52 Review