What Paralympic Swim Champion Jessica Long Packed For the Paris Games

Arena Powerskin Carbon Air2 USA Limited Edition Open Back ($460)

Long wore this very swimsuit while competing in Paris, and she considers it an essential. "Arena swimsuits are a must for me to perform my best in the pool," she says. The lightweight design has innovative three-piece lining and is extremely lightweight for movability in the water. It's made of elastane, carbon fiber, and polyamide and should be rinsed immediately after use for quality preservation.