Prepare to experience unparalleled warmth and freedom of movement in any condition with the innovative Aggressor One-Piece 2.0 "ENGINEERED FOR POWERSPORTS" base-layer system designed to offer layering warmth without sacrificing comfort or mobility. The one-piece construction eliminates risk of air gaps between a shirt and pant. The Aggressor One-Piece 2.0 base-layer provides a streamlined, versatile and comfortable layering system that provides moisture-wicking, heat-trapping performance and anti-microbial properties, complete with a convenient drop seat for whatever adventure comes your way - from snow to dirt. Gridded base layer design traps heat Low-profile for excellent minimum-bulk layering Engineered specifically for the abuse of powersports Imperceptible seams 96% Polyester, 4% Spandex, 220G Moisture-wicking, antimicrobial, highly-breathable, fast-drying Aggressor 1.0 fabric underarm & pant gussets to reduce bulk, increase breathability & mobility Convertible cuff construction easily used as thumbhole or regular cuff Front zipper fly for easy entry Drop seat for convenience w/ double-headed zipper Designed specifically for use with KLIM mid-layers and outerwear Low-profile YKKA(R) zippers