Waterproof, abrasion resistant, TPU laminated 420D nylon fabricDurable 7075 Aircraft alloy bucklesTop loading roll top main chamber with side strapsFully seam sealed constructionRemovable waist strap & Ltop handle for comfortable liftingWhite interior for improved visibility of contentsInternal zippered pocket for S itemsErgonomic integral backVentilating, perforated shoulder strapsAvailable in yellow, blue and blackStretch mesh side pocketsExterior zippered