Fabric: 100% Cotton

Detachable knee reinforcement pockets (ultra abrasion-resistant Cordura fabric by Dupont);
Knee pads installable to protect from damage when kneeling;
Movable hanging pockets, preventing obstruction from hard objects when crouching;
Side hanging loops to freely hang tools;
Transparent ID pocket to conveniently carry and present ID or name cards;
High-visibility reflective stripes on the front and back of the knee, protecting worker safety during construction through visual alert.