100% Square Weave Cotton Ripstop - 240 gsm. Large under arm and back venting to keep you cool. Mechanical stretch to give you more freedom of movement. Two chest pockets with vertical zipper. Large cargo pocket with unique side zip pocket built into side bellow. Mobile phone pocket. Zip gusset in hem to fit over boots. Two side access pockets to reach internal pant pockets. Hoop reflective tape pattern. Double layer hem for durability. Reinforced at all key stress points with bar tacks.