Biosynthetic spider silk reinforcement combines strength and stretch

Technical Polartec Power Wool: Unbelievably soft and non-scratchy light wool blend
Temperature Regulating: Wool naturally regulates body temperature and wicks sweat
Non-Stink: Fibers fight runner's stink
Full Coverage, Swing Style: Relaxed body skimming fit with sturdy hydration pack-friendly straps
Machine Washable: Strong and durable fabric and construction
When to Wear: Strong enough for the toughest miles, soft enough for anytime, wool is particularly good for shoulder season and cooler weather

Tactile grip printing prevents equipment slippage during lifts.