body: 4 oz.yd2 / 233 gsm, 100% polyester with reflective print and water resistant finish; trim: 100% polyester oxford at bottom panel; UTK Hydropel™ helps to keep contents dry in wet conditions;Two-way zippered main compartment with reflective toggle; Inside zippered security pocket; Double front pockets with hook and loop closures; Internal floorboard for extra support and plastic feet at base; Wide webbing ergonomic handles and adjustable, removable shoulder strap; Dimensions: 21 1/4″ x 11 1/8″ x 13 7/8″;