335th Signal Command Unit Crest DUI 1 Pair READY LIGHTNING First Aid back Neck (cm) Sleeve Underarm National Guard back Neck (cm) Sleeve Underarm (cm) XXS 32 inch (42 euro 82cm) 69 cm 51 cm XS 34 inch (44 euro 86 cm) 70 cm 52 cm S 36 inch (46 euro 92 cm) 71 cm 53 cm M 40 inch (50 euro 102 cm) 76 cm 56 cm L 44 inch (54 euro 112 cm) 81 cm 59 cm XL 48 inch (58 euro 122 cm) 86 cm 62 cm 2XL 52 inch (62 euro 132 cm) 86 cm 62 cm 3XL 56 inch (66 euro 142 cm) 86 cm 62 cm 4XL 60 inch (70 euro 152 cm) 87 cm 63 cm The Submariner's sweater has been manufactured for many years for the British Royal Navy Measures 15" X 13 High Quality Metal Unit Crest known as Distinctive Unit Insignia DUI