Son Of A Boy Dad Puff Crewneck from Rone & Lil' Sas from Son of a Boy Dad. • Double ribbing side panels for stretch • Reverse coverstitch sewing on all seams for durability and a premium finish • Body panels sewn cross grain to limit shrinkage & shortening after wash • 520gm 100% cotton 1x1 ribbing at cuffs and waistband