LIGHWEIGHT - (cotton) - 55% Cotton and 45% Ultra-Soft Polyester - MIDWEIGHT - (fleece) - 92% Ultra-Soft Polyester and 8% Spandex - HEAVYWEIGHT - (fleece) 90% Ultra-Soft Polyester and 10% Spandex.
WONDERFULLY WARM: Rocky's thermal underwear for men is a "2 PIECE SET" and is perfect for use underneath formal or casual attire at work or for a day out, or the thermal underwear can be worn as comfy pajamas on cold, chilly nights.
PREMIUM GRADE FABRICS: Rocky thermal underwear for men is designed for comfort with an elastic waistband and fleece lined moisture wicking microfibers, these thermal long johns have the perfect blend of comfort, warmth, elasticity, and moisture protection.
MOISTURE WICKING: Rocky thermal underwear for men set is designed to keep you dry, this long-sleeved shirt and long pants are made to be wick away sweat and other moisture, this thermal underwear for men set will do its job no matter how active you are.
BASE LAYERS: When going out to jog, run, bike or cycle in the cold, make sure to use the rocky thermal underwear for men set under your clothing to keep warm and cozy in freezing cold climates or bad weather. These thermal underwear are stretchy & comfortable.