A 100N Lifejacket, specifically designed to provide dynamic safeguarding. The adjustable neck feature offers enhanced head protection. The closure mechanism includes a zipper, a waist belt with a rapid-release buckle, and a cushioned crotch strap (available in padded versions for XXXS and XXS sizes). The alert system consists of retro-reflective tapes and a whistle. The equipment is certified in compliance with ISO 12402-4 standards.