Specialized Ground Control Sport Bivy and stay fresh during your

and stay fresh during your most active moments with a Polygiene® anti-odor finish

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Carbon filter lasts up to 26 gallons (100 L) - about two months

Features Crew Neck

Specialized Ground Control Sport Bivy and stay fresh during yourThe Ground Control Sport uses an extremely versatile tread pattern which can be used from cross country race to trail, it rolls fast with exceptional amounts of confidence and grip. Our Block In Block design uses a taller adaptable inner block to pierce the ground and claw for traction. The larger outer structure supports the inner block for additional speed, traction, support and stable handling. Casing: 60 TPI. Bead: Wire. 26 x 2. 35", PSI 25 50,