Disclosed herein is a reusable swim garment capable of containing excreted human waste. The swim garment may comprise a swim brief and/or shell. The swim garment may provide level(s) of protection for containing excreted human waste, helping reduce or eliminate swimming facility closures and providing comfort to both the user and other occupants in the swimming facility. The plurality of levels of protection are provided by two or more of: safety stitches in one or more elastic bands (e.g., leg-receiving elastic bands, torso-receiving elastic band), grippers to create a seal at the user's waist and/or legs, fasteners used to temporarily attach or remove the swim garment to or from the user, or a containment insert. The containment insert may comprise layer(s) that absorb the human waste, confine human waste, or prevent or reduce exchange of liquids between the swim garment and the swimming environment.

A reusable swim diaper (10) in the form of a panty, with elastic bands (12) around the waist and/or leg openings, the diaper includes the following: a) an outer layer (14), said outer layer consisting of an elastic knitted fabric or wovens; b) an inner layer (16), said inner layer consisting of an elastic knitted fabric or wovens from natural and/or synthetic fiber materials; c) and the inner layer (16) is a water vapor-permeable and water-absorbing inner layer.

A reusable swim diaper having a main body made of waterproof coated (bonded polyurethane) polyester configured with an elasticized waist opening and elasticized leg openings, the main body having improved degradation from laundering and is suitable for multiple launderings and reuse without degrade and having gussets at the leg openings to minimize the flow of particulate matter, such as fecal matter, between the inside and the outside of the swim diaper.

A bikini bottom which prevents visible spotting from bodily fluids has a crotch portion made from at least three layers of material, including an outer layer, an inner lining layer, and an intermediate layer of waterproof material between the inner and outer layers.