This 2 Piece set includes the Holeproof All Seasons Waffle Knit Full Brief & the Holeproof AircelWaffle KnitThermal Short Sleeve T-Shirt.Waffle Knit Full Brief M1962:The Holeproof All Seasons Full Brief is made from a unique waffle knit material that is quick drying and hard-wearing. It has a front opening & is designed to sit high on the waistline. Features:- Waffle Knit Material- Front Opening- High Rise- All year wear- Fabrication: Cotton, Polyester- Quick Drying- Covered ElasticAircel Waffle Knit Thermal Short Sleeve T-Shirt MYQ31A:Made by Holeproof, this Aircel Thermal Top is made from a waffle knit fabric that traps heat against your skin. The stretch knit ensures comfortable movement & it has a low crew neckline. These are an excellent base layer for warmth in the cold months of our Winter.Features:- Waffle Knit Fabric- Low crew neckline- Body: Cotton/Polyester, Cuff & Neck Trim: Cotton/Polyester- Stretch Fabric- Thermal Underwear