The Jetstream Insulated WS Muff traps heat like a furnace and locks it in like a fortress. With the extreme efficiency of PrimaLoft® Silver insulation and WINDSTOPPER® by GORE-TEX LABS, hands are untouched by the deep freeze and high winds of late season. It has an internal pocket for hand warmers, an external zippered pocket for storage and an adjustable waist belt. 
 

Features:

• Benefit: Warm hands in harsh winds
• WINDSTOPPER® by GORE-TEX LABS cuts wind and repels precipitation
• PrimaLoft® Silver insulation
• Internal pocket for hand warmers
• Adjustable waist belt
• Low-profile clips for attachment to Flash Optics Harness
• External zipper pocket 
   

Specifications: 

• Color: Elevated II, Subalpine
• Weight: 9.8oz / 276g
   

SITKA Performance Ratings:

• Warmth: 5/5
• Durability: 3/5
• Water Protection: 3/5