Stumpjumper Alloy Balaclavas all without overheating

all without overheating

Featuring thermal fabrics

we’ve kept those same design hallmarks that you know and love

Leveraging our countless hours of Win Tunnel testing

specially under load

Stumpjumper Alloy Balaclavas all without overheatingThe Stumpjumper Alloy brings all new suspension kinematics and progressive geometry into a full alloy package that's both lightweight and extremely durable. Outfitted with a no fuss SRAM SX 12 speed groupset, the Stumpjumper Alloy is your all access pass for trail adventure. THE TRAIL BENCHMARK When we set out to design the all new Stumpjumper, we pursued some hefty goals. It had to excel on any kind of trail, for every style of rider. To achieve