• 95% polyester, 5% elastane (fabric composition may vary by 1%) • Premium knit mid-weight jersey • Four-way stretch fabric that stretches and recovers on the cross and lengthwise grains • Regular fit • Blank product components in the US and Mexico sourced from the US • Blank product components in the EU sourced from LithuaniaSize guide XS S M L XL 2XL Chest (inches) 31 ⅛ 34 ¼ 37 ⅜ 42 ⅛ 46 ⅞ 51 ⅝