The ICON Field Armor feels like an extension of your skin thanks to its compression fit combined with the pliable D30 armor. The Arm Sleeves are made from a stretchable Hydradry textile, which gives you a snug sport fit while soaking up moisture to cool your body off. D30 armor is internally sewn within the shirt for impact protection while Kevlar reinforces the outside for superior abrasion resistance.; Compressed sport fit Stretchy Hydradry, provides moisture wicking capabilities D30 impact protection DuPont Kevlar, provides superior abrasion resistance