Fidlock Hip Belt Single Bottle Base - BlackFidlock Hip Belt Single Bottle Base Black. The Fidlock Hip Belt single features a waterproof main compartment using hermetic sealing technology to protect your smartphone from water mud and dust and includes a Twist bottle 450 for hydration secured with an integrated Twist base. The belt offers additional storage compartments for keys and snacks and uses a Fidlock Hook belt 25 LL buckle for quick and easy fastening. One 100 % waterproof main