Bohn Swimwear Ladies Swim Jammer Shorts (US 04, Navy Blue) 53% Polyester and 47% Polybutylene Terephthalate (PBT) Hand Wash Designed specifically for the water. February Sale. Massive reduction in price Sun Protection of UPF 50+ (protection against UV rays from the sun). Ideal for the beach Chlorine resistant so will last and last in the pool. February Sale. Massive reduction in price Quick drying fabric, as don't absorb too much water Cycling short length, above the knee, designed for women.