A suit wearable by a human user includes a torso section, two arm sections extending from an upper portion of the torso section, and two leg sections extending from a lower portion of the torso section. At least one of an arm section and a leg section includes at least one exterior surface region that is uneven and having at least one of a different surface friction property and a different surface roughness property in relation to at least one exterior surface region of the torso section.