BJJ JUDO CO. Spats are fitted and breathable, and are perfect for no gi Brazilian jiu-jitsu training, surfing, weight-training, or other physical activities. They absorb sweat and moisture to help keep you dry. BJJ JUDO CO. Spats offer 38-40 UPF protection and have great stretch, a comfortable elastic waistband, and built-in gusset in the front. They can be worn alone, under shorts, or even under your BJJ gi. Made of 82% polyester and 18% spandex. Design is made using sublimation printing. Please note: These are not a thick compression type of legging. Keep spats away from velcro fasteners and try to avoid rough surfaces.