0.8 Italian finished ultra-lightweight Kangaroo suit body, with1.2-1.4 Race quality Brazilian cow hide in the sleeves and lower legs. Fully perforated 1 pc. suit construction. Aerodynamic back hump. CE approved armor in back, shoulders, elbows, hips and knees. Impact Absorbing pad in the hips. Polyester mesh non-allergenic liner. Neoprene comfort collar. Elasticized stretch panels in front and back of shoulders, lower back, above the knees, and elbow areas. Quote from our racers - Feels like a tee shirt and more protective than cow. SP memory foam in high impact areas. Aramid stretch panels in the under sleeves, calves, and seamless crotch for maximum comfort suit flex and comfort. Double layered leather in seat, elbows, and knees. Zipped wrist and ankle cuff enclosure. Stress areas leather taped with eurotech Quadruple safety stitching.