BSW Youth If Only We Knew Brazilian Jiu-Jitsu TMNT MMA Shirt SM Irish Green Want authentic BSW? If it doesn't say "Ships from and sold by BestShirtWorld" it's NOT authentic. BSW only sells direct :) Designs are SUPER SOFT and lightweight. Professionally printed - no Iron-on transfers. We now use super soft combed and ringspun cotton! These shirts are LIGHTWEIGHT have a super tight weave that makes them feel silky soft. Our shirt quality sets us apart from the competition; you're going to love them! *Excludes Colors: Carolina Blue, Charcoal, Dark Heather, Irish Green - These shirts are Medium weight Cotton. Youth sizes XS (2-4), S (6-8), M (10-12), L (14-16), XL (18-20) *Please see our size picture chart for accurate sizes. Click on the 2nd picture on the left for details. Fast, tracked shipping and a 30 day return and exchange policy-- Please contact us for details.