The upside to this system is that numbers are numbers, and if you know that your neck measures at 15.5, you can pick up a 15.5 collar shirt and know it will more-or-less fit
All I can say is if anyone has any doubts about ordering please don't

-25% Cherry Red Formal Satin Vest XI6007MV-XXL In Stock 3 Items Flexible 60 day returns 100% satisfaction guarantee policy Ships from our warehouse in CA, USA All orders ship out the next business day Product Specs Variant Vests Color Cherry Red Yellow & Gold Pattern Solid Colors Fabric Polyester Brand/Designer Puccini Vest Style Formal Vest Wedding Vest Gender Mens Finish Shiny Satin Most Popular yes Age Adult GMC Top Performer yes Product Description Satin Vest Overview: Formal Satin Fabric with elegant sheen Modern single-breasted cut that fits all body types Available from XS to 4XL Some select colors also available as matching kids vests (size 4T - age 12) Adjustable rear strap for perfect fit Available in 18 other colors Also available as matching neckties, bow ties, hankies, cummerbunds Shipping weight: 7oz Sizing Guide: Related products -25% -25% -25% Customer Reviews You might also like this -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25% -25%

Long-Sleeve Finish: Elegant full sleeve design provides coverage and balance, making it equally suited for semi formal and formal dresses wardrobes
Sizing Tips: Sizes may vary across brands
How fun would it be to style a fashion editorial to show off your bridal style