Norrona Trollveggen Powerstretch Pro Zip Hood Men's Drivetrain Tool sharp lugs made from a

sharp lugs made from a compound that focuses on adhesion

laterallly stiff design and incredible range of motion

- Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older

Venture farther and stay warmer with the PhD® Outdoor Heavy Crew

Giro believes that helmets equipped with this technology can reduce the amount of rotational force that may be transferred to rider's brain in certain impacts

Norrona Trollveggen Powerstretch Pro Zip Hood Men's Drivetrain Tool sharp lugs made from aOur most stretchy mountaineering mid layer. This durable zip hoodie is a highly stretchy fleece designed for mountaineering activities. It is also suitable for a wide range of outdoor activities like ski touring and mountain biking. The highly durable Powerstretch Pro main material will withstand a great deal of wear and tear and provides quick drying properties. It also provides an ergonomic fit to maximize mobility in steep and difficult terrain.