Lululemon Men’s Evolution Short-Sleeve Polo Shirt Size: Medium (size tag removed) Color: Heathered Oasis Blue Gently worn with no noted flaws. Armpit to armpit: 21.5” Length: 28” Slim Fit Sweat-wicking Four-way stretch Quick-drying Body: 85% Recycled polyester, 10% Lyocell, 5% Elastane