Features:

32 Degrees Heat®

A set = Top + Pants

Lightweight for easy layering

Stretch for comfort

Soft hand feel

Heat generating yarns

Retains heat

Quick dry

Anti odor

Made in China

Fabric Content:

Black pack: 37% Acrylic│34% Polyester│25% Rayon│4% Spandex

Gray pack: 40% Polyester│34% Acrylic│22% Rayon│4% Spandex

Lightweight

Sizing:

Size Conversion: XS = 4/5 | S = 6/7 | M = 8/10| L = 12/14 | XL = 16/18

Girl Model is 3'7" and wearing size XS

Boy Model is 4'1" and wearing size S

Women's available here, check it out: 
https://www.ebay.com/itm/274741663854