Nathan Zipster - NS7702-0015 size:XL HIGH-DENSITY FOAM Closed-cell foam provides

HIGH-DENSITY FOAM Closed-cell foam provides a firm foundation to support the foot for long-lasting comfort

HIGH ARCH SUPERFEET SHAPE High arch orthotic support helps stabilize the foot while running

MOISTUREWICK™ Helps reduce odors and keeps feet fresh

even in your slimmest-fitting shoes

Superfeet Run Women's Support (formerly Run Women's Comfort) insoles can help runners reduce foot fatigue while gaining efficiency

Nathan Zipster - NS7702-0015 size:XL HIGH-DENSITY FOAM Closed-cell foam providesWe've added secure and weather resistant zippers to our most popular training pak model, which now features four pockets, two zippers, and one heck of a secure run. See below for sizing information. Sizing Information (waist measurement in inches) XS 26" 28" S 29" 31" M 32" 34" L 35" 37" XL 38" 40"