adidas Terrex Mt Ess 3in1 D J Men's Outdoor Jacket Kb2159 Black

Hello, if you are 1.83 tall and weigh 86 kilos, size L will be suitable for you. These dimensions offer a comfortable cut in size L and thanks to its 3-in-1 design, you can move comfortably with the inner layer. If you prefer a looser and layered fit, you can also consider size XL. You can review the detailed measurements in the size chart.

Hello, according to the measurements you gave (1.75 height, 76 kg), size M will be ideal for you. 3in1 models have sufficient volume due to their inner layer; Size M offers comfortable use.