Nike SB Eugene Back pack RARE COLORWAY eBay Altitude 2.0 Offroad Carbon Fiber Helmet Speedsta White XL Valextra, V Line One Shoulder Backpack, Black Amidal Cycling Helmet in Uranium Black Matt Road Protection Reimagined POC (NO) My most expensive piece of gear? My sleeping bag, of course. , Here's what to consider when buying a good sleeping bag, especially for major sub zero climbs like Denali or my next climb, Mt Vinson Patagonia Stealth Backpack 25L