Breathable warmth for serious mountain layering

The Mountain Equipment Superflux Men's Vest is a highly packable insulated layer designed for mountaineers who need dependable core warmth without sacrificing breathability or mobility. Built with a DRILITE® LOFT 40D outer fabric and 115g of 100% recycled POLARLOFT® Featherless insulation by 3M®, it delivers reliable weather protection, thermal efficiency, and low-bulk performance. Designed as a versatile layering piece, it works equally well beneath a shell or as an outer layer in cold, dry conditions.

Performance & Engineering

• POLARLOFT® Featherless Insulation – Engineered with 115g (Size L) of 100% recycled POLARLOFT® Featherless insulation by 3M® to provide dependable warmth with excellent compressibility and moisture-resistant performance.
• DRILITE® LOFT Shell Fabric – Built with DRILITE® LOFT 40D outer fabric and a PFAS-free DWR finish to deliver total windproof protection and high water resistance in challenging mountain conditions.
• Mountain Fit Design – Designed with a Mountain Fit that layers efficiently beneath waterproof shells while maintaining freedom of movement during technical ascents.
• Packable Mountain Utility – Equipped with two zipped hand warmer pockets, a zipped internal pocket, and the ability to pack into its own inner pocket with twin karabiner carry loops for convenient transport on a harness or pack.
• Mountaineering-Focused Construction – Features a 2-way YKK® moulded centre front zip, stitched-through construction, elastane-bound armholes, and dual tether hem drawcords for comfort and adaptable layering on the move.

Technical Specifications

• Ideal For: Mountaineering
• Main Fabric: DRILITE® LOFT 40D outer fabric with PFAS-free DWR finish, 115g recycled POLARLOFT® Featherless insulation by 3M®
• Weight: 340g / 12oz
• Hardware: 2-way YKK® moulded centre front zip
• Pockets / Features: 2 zipped hand warmer pockets, zipped inner pocket, stitched-through construction, elastane-bound armholes, dual tether hem drawcords, packs into inner pocket with twin karabiner carry loops
• Fit: Mountain Fit

Care & Longevity

Follow the manufacturer's care label to maintain insulation loft, weather resistance, and long-term garment performance. Regular cleaning using appropriate technical garment cleaners will help preserve breathability and insulation efficiency. Always follow the manufacturer's care instructions and avoid treatments that conflict with the care label.