This Seattle Mariners Ken Griffey Jr. Royal Blue City Connect Nike MLB Limited Jersey is an officially licensed MLB jersey made by Nike. The Nike Limited jersey is built with on-field technology worn by the pros, delivering an authentic look and feel with the comfort of a fan-friendly fit. This jersey is not stitched.Nike Limited Jersey Details Short sleeve, button-front jersey made of recycled polyester with authentic trim and decoration Standard fit for a true-to-size feel Stretch mesh underarm gussets give you a full range of motion Heat-sealed twill team logo on the chest Woven heat-applied jock tag for an authentic on-field detail Embroidered Nike Swoosh on the right chest and official MLB Batterman logo on the back Integrated Dri-FIT moisture-wicking technology keeps you cool and dryMen's Nike MLB Jersey Size ChartMeasurements refer to body dimensionsSChest: 35 - 37.5 inWaist: 29 - 32 inHips: 35 - 37.5 inMChest: 37.5 - 41 inWaist: 32 - 35 inHips: 37.5 - 41 inLChest: 41 - 44 inWaist: 35 - 38 inHips: 41 - 44 inXLChest: 44 - 48.5 inWaist: 38 - 43 inHips: 44 - 47 in2XLChest: 48.5 - 53.5 inWaist: 43 - 47.5 inHips: 47 - 50.5 in3XLChest: 53.5 - 58 inWaist: 47.5 - 52.5 inHips: 50.5 - 53.5 in4XLChest: 58 - 63 inWaist: 52.5 - 57 inHips: 53.5 - 57 inMeasurements refer to garment dimensionsSChest: 41 3/4 inHem Circumference: 41 3/4 inBack Length: 30 3/8 inMChest: 44 3/4 inHem Circumference: 44 3/4 inBack Length: 31 inLChest: 48 inHem Circumference: 48 inBack Length: 31 3/4 inXLChest: 52 inHem Circumference: 52 inBack Length: 32 5/8 in2XLChest: 54 7/8 inHem Circumference: 54 7/8 inBack Length: 33 3/8 in3XLChest: 59 3/4 inHem Circumference: 59 3/4 inBack Length: 34 1/4 in4XLChest: 63 3/4 inHem Circumference: 63 3/4 inBack Length: 35 in