please contact customer service

and stick it on the belly button

Size  Waist Bust     S  61  73-83  M  64  75-88  L  67  78-93  XL  70  81-98 Precaution：

Pulse width: 30-150us output power: 5W

Cycling Jersey Suit, Summer Road Bike Cycling, Men's Breathable Shirt Patio please contact customer serviceProduct information: Material: polyester Style: sports Feature: Contrasting color Size Information: Size: XS S M L XL XXL 3XL4XL 5XL Size Length Bust Sleeve XS 71. 5 104 74 S 73. 5 108 75. 5 M 75. 5 112 77 L 77. 7 116 78. 5 XL 79. 5 120 80 2XL 81. 5 124 81. 5 3Xl 83. 5 128 83 Note: 1. Asian sizes are 1 to 2 sizes smaller than European and American people. Choose the larger size if your size is between two sizes. Allow a 2 3cm difference due to manual