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";