The Lightweight Troy Lee Designs 3900 Vest offers core upper body protection in warmer weather conditions. Shock Doctor technology with Neck brace integration design is compatible with leading neck braces without compromising fit and protection. Offering you protection while keeping you cool in Hot weather. Featuring dual density protection in key areas the vented foam padding provides additional airflow and is removable. TLD 3900 sizing S M L XL Chest Circumference 34-35" 36-38" 40-42" 44-46" Measurements in inches. Measure chest 1" under the armpit. Cleaning Instructions Hand wash cold only. Do not dry clean or bleach. Drip dry. Do not clean your protective gear with anything but soap and water. Do not use any abrasive cleaners or pads. Do not use hot water or chemical cleaners or any solvents which contain petroleum-based products like benzene or gasoline on your protective gear. Your protective gear can be weakened by these substances and may not provide its intended protection in an accident, which can result in serious injury or death. Do not use hair dryers or heaters to dry your protective gear.
