Two layers of 100% polyester tricot mesh Fully reversible for wearing on either side 1x1 rib knit collar and cuffs Raglan sleeves Each layer finished separately with double needle hem to allow for embellishment. Youth Sizing Size X Small 4 5 Small 6 8 Medium 10 12 Large 14 16 X Large 18 20 Chest 22 23 24 26 28 30 32 34 36 38 Waist 20 22 22 24 24 26 26 28 28 30