Ergonomics Ergonomic size Elasticated Inserts Temperature adjustment Breathable windproof fabric Other characteristics Reflecting inserts Adjustment by drawstring at the sides 3 outer pockets Elasticated Inserts Elasticated inserts positioned in the most strategic locations improve the garment&rsquo, s capacity for adaptation to the body&rsquo, s changing shape & movement during riding. Reflecting inserts Reflecting inserts on the elbows & back make the rider more visible in the dark.