Due to a lack of a comprehensive US size chat for Men and Female clothing and a lot of customers have questions
about the measurements, so I decide to post a size chat on ebay. All measurements in the chats below are in inches:           

Men's top (including T-shirts, Polo shirts, anything on the upper part of the body):    

Sizes                 XXSmall    XSmall     Small     Medium    Large    XLarge    XXLarge

US Size No.              | 23" - 25"  | 26" - 28"  | 29" - 31"   | 32" - 34"  | 35" - 37"     |  38" - 40"  | 41" - 43"
Chest (inch)              | 31" - 33"  | 34" - 36"    | 37" - 39"   | 40" - 42"  | 43" - 45"      |  46" - 48"  | 49" - 51"
Waist (inch)              | 23" - 25"  | 26" - 28"    | 29" - 31"   | 32" - 34"  | 35" - 37"      |  38" - 40"  | 41" - 43"
Neck (inch)               |12.5" - 13" |13.5" - 14" |14.5" - 15" |15.5" - 16"| 16.5" - 17"|  17.5" - 18" | 18.5" - 19"
Sleeve Length (inch) |31" - 31.5" |32" - 32.5" |33" - 33.5" |34" - 34.5"| 35" - 35.5" | 35.8" - 36"| 36.3" - 36.5"

Men's belt:

Size       Actual Belt Length in inches (exclues belt buckle)

XS     =           37"

S       =            39"

M      =            42"

L      =             45"

XL     =           48"
 
                    
Men's Footwear:

US sizes       Heel To Toe Length (in inches)

  7        =               9 11/16
  7.5  =               9 13/16
  8       =                 10
  8.5  =               10 3/16
  9  =               10 5/16
  9.5  =               10 8/16
  10  =               10 11/16
  10.5  =               10 13/16
  11  =                 11
  11.5  =               11 3/16
  12  =               11 5/16

Women's top (including tank tops, T-shirts, Polo shirts, anything on the upper part of the body):

                   XXSmall |  XSmall  |  Small     |  Medium    |   Large     | XLarge   | XXLarge
US Size       |00  | 0     |   1/2    | 3/4  |  5/6  | 7/8  | 9/10 |11/12 |13/14 | 15/16   |  17/18
Bust (inch)  |30  |31.5 |32 - 32.5 | 33.5| 34.5 |35.5 | 36.5 |  38    | 39.5   |41 - 42.5   | 44 - 45.5
Waist (inch) |23  |23.5 |24 - 24.5 | 25.5| 26.5 |27.5 | 28.5 |   30  |   31.5 |33 - 34.5   | 36 - 37.5
Hip (inch)   |33.5| 34    |34.5 - 35 |  36  |  37   |  38  |   40  | 40.5 |    42   |43.5 - 45   | 46.5 - 48

Women's Belt:

Size     Actual Belt Length in inches (exclues belt buckle)

XS     = 37"

S      = 37"

M      = 39"

L      = 42"

XL     = 44"

Women's Footwear:

US sizes       Heel To Toe Length (in inches)

  5   =            8 11/16
  5.5   =            8 13/16
  6   =              9
  6.5   =            9 3/16
  7   =            9 5/16
  7.5   =            9 8/16
  8   =            9 11/16
  8.5   =            9 13/16
  9   =              10
  9.5   =            10 3/16
  10   =            10 5/16