Material: Solid Knitting fabric: 95% Cotton + 5% Spandex: lightweight fabric, Camo Fabric: 65% Polyester+ 35%cotton: durable ripstop fabric Shirts 1: Adjustable cuffs with velcro 2: 3 Velcro 3: 2 sleeve zipper pockets,with 1 Pencil pocket on arms 4: High elastic fabric, super soft/breathable 5: Thick fabric, suitable for all seasons 6: Quick-drying/easy-washable fabric, does not fade. 7: Double-layer elbow fabric + non-slip silicone particle 8: Breathable material for body part 9: Double sewing, more stronger 1: The product size is Asian size, It is smaller than EU/US/RU/BR/UK size ! 2: All the size is provide for your reference,Please allow 1 ~ 3 cm error, 1 cm is equal to 0.39 inch. 3: If you not sure of your size, please tell us your height __cm  and weight __kg ! 4: Please allow reasonable color difference due to individual computer monitor. 5.If you not wear Asian size usually , Please choose 1-2 larger sizes than your normal wear.