A hydration sleeve can include: a band of sleeve material shaped and dimensioned to fit around a user's limb； a bladder pocket connected to the band of sleeve material； an opening extending into the bladder pocket to permit insertion of a hydration bladder into the bladder pocket； and a mouthpiece port extending through the band of sleeve material. Other embodiments and features, including single-use hydration bladders and garments incorporating hydration sleeves are described.
