STI MX and Off-Road Heavy Duty Tubes, 110-120/90-19 (4.50/5.00-19) 2026SpringTent Full elastic waist with internal

Full elastic waist with internal drawcord

Conductive index and thumb

Acoustic search guidance: allows the rescuer to visually search the avalanche field

and a wide flap protects it from moisture

Dual lens replacement for 100% Armega goggles

STI MX and Off-Road Heavy Duty Tubes, 110-120/90-19 (4.50/5.00-19) 2026SpringTent Full elastic waist with internalAt 2mm thick, the Heavy Duty model is 50 percent thicker than most standard tubes on the market today. The Extreme Duty butyl rubber uses a 3mm spec, making it 30 percent beefier than most heavy duty tubes now available. The Ultra Duty tubes utilize a nearly bombproof 4mm thickness.