Actual fabric colors may vary slightly from online colors due to variations in screen color settings. The size is Asian size, usually is smaller than normal US/UK/RU/EU/AU size. Each size's parameters are measured by lying the product on a flat table and measuring its outer dimensions.To be safe, Please measure one of your own T-Shirt and pants to make comparison with ours, so as to select a correct size. 65% cotton, 35% Polyester, sleeves and anti-scrape grid cloth production, super wear resistance. The Combat Shirt is a purely operational fighting upper garment. High-elastic lycra fabric (TIGHT FIT STYLE), close-fitting breathable, high resistance to wear, the collar zipper. This A-TACS FG G3 Combat Pants Designed as assault pants which are aggressively cut for maximum mobility. Features an unique padded waistband and hi-mobility stretch panels at the knee and lower back. Unique low-profile waist adjust system. Each cargo pocket conceals water bottle/magazine stabilizer. Dedicated knife/light holder that still allows pocket access. Simple kneepad height adjuster located in front thigh pocket. Designed for use with removable AirFlexT Combat Knee Pads. Built-in flap covers kneecap opening when not using knee pads. Larger expansion panel at lower back.