AGE : 6 to 12 years PLACE OF PRACTICE : indoor,outdoor NECK TYPE : crew neck CUT : regular WATERPROOF : no waterproof MAIN MATERIAL : cotton POCKET : without pocket STYLE : printed,plain NUMBER OF POCKETS : pocket less SLEEVES LENGTH : short sleeves ANTI-UV : non anti-uv Quantity : 1 U Size : 5-6years/3'7"-4', 7-8 years(Chest 27 in), 8-9years(Chest 29 in), 10-11years(Chest 30 in), 12-13years(Chest 34 in), 14-15 years(Chest 36 in) Our photos and models. Sizing information. : Our model is wearing the 100 short-sleeved T-shirt in size 10-11 years, and is 1.43 m tall. Environmental impact : Traditional dye baths consume huge amounts of energy, water and additional materials. This "cold" dyeing process significantly reduces our environmental impact by using much less of all these things.