WATERPROOF BREATHABLE SHELL – A.C.M.T. technology with 20,000mm waterproof rating and 8,000g/m² breathability keeps you dry in demanding winter conditions OMNI-STRETCH CONSTRUCTION – M-Series 450D polyester shell with HydrX Pro laminate provides flexible, durable protection with strategic seam-sealing in critical areas DRY VENT SYSTEM – Snowproof inner thigh vents with integrated lining ventilation help regulate temperature during active riding without insulation bulk REINFORCED PROTECTION ZONES – Thermal seat reinforcement, dry seat and knee inserts, plus padded knee sections deliver durability where you need it most ADJUSTABLE FIT SYSTEM – Customizable waist adjustment, removable suspenders, back leg length adjusters, and storm cuffs with boot lace retention ensure secure all-day comfort The FXR Men's Helium Lite Pant is a technical snowmobile pant engineered for aggressive winter riders who demand proven weather protection and unrestricted mobility. Built with FXR's A.C.M.T. system, this uninsulated shell pant delivers verified 20,000mm waterproof and 8,000g/m² breathability ratings for serious backcountry and trail use. The M-Series Omni-Stretch 450D polyester shell integrates HydrX Pro laminate with strategic seam-sealing in critical zones. The A.C.M.T. seam-sealed lining system includes integrated venting and the FXR Dry Vent system in the inner thigh for active climate control. Heavy-duty #8 waterproof zippers are used throughout, with a YKK front zipper secured by hook and loop closure. Thigh-height 2-way waterproof leg zippers feature inner plackets and snap closures. Thermal seat reinforcement, dry seat and knee inserts, and padded knee sections provide targeted protection. The reinforced instep and storm cuffs with hook and loop and snap closures guard against snow intrusion. The adjustable waist system and removable suspender system allow precise fit customization. Back leg length adjusters and an adjustable hem accommodate varying boot heights and rider preferences. Front and rear boot lace retention and reflective elements complete the technical package for demanding snowmobile use. Key Features: A.C.M.T. SHELL – 20,000mm waterproof / 8,000g/m² breathability rating M-SERIES OMNI-STRETCH 450D – Polyester shell with HydrX Pro laminate FXR DRY VENT SYSTEM – Inner thigh venting for active climate control HEAVY-DUTY #8 ZIPPERS – Waterproof throughout with YKK front zipper THIGH-HEIGHT 2-WAY ZIPPERS – Waterproof leg access with inner placket THERMAL SEAT REINFORCEMENT – Dry seat and knee inserts with padded knees ADJUSTABLE WAIST & SUSPENDERS – Removable suspender system for custom fit REINFORCED INSTEP – Storm cuffs with adjustable hem and boot lace retention