509 - Stoke Sock Accessory size:Large 600 gm Thinsulate™ insulation is

600 gm Thinsulate™ insulation is placed inside the waterproof breathable bladder making a warmer

positive thumbscrew lock and mechanically improved pins

15L features a single removable sling strap

5-watt GMRS two-way radio offers extended range

509 - Stoke Sock Accessory size:Large 600 gm Thinsulate™ insulation isThe 509 Stoke Sock pushes the pedal to the metal on performance to keep your feet warm and dry all day. Slide these socks into your boots and youll immediately feel the difference thanks to a high cuff that stays up and full terry cushioning that wraps you in the naturally fast drying, breathable, and stink fighting performance of Merino wool. Nylon and LYCRA zones further enhance strength and support. Key Features Silicone finish keeps them soft,