Polyester and elastane fabrication Made in Indonesia Adjustable elastic waist strap Expandable zip pocket Nike Dri-FIT sweat-wicking technology Fits keys, cards, and most phones Measures approx 13"W x 6 "H x 1" DAdjustable belt strap measures approx 32" Our Style No. NSKF-WY1 Manufacturer Style No. IV3343-014