Mmamut's Aenergy Light styles solve for a full range of seasons and pursuits

The SAYSKY Pace Shorts 6'' is our new running shorts

Made in Spain by MLS|45% polyamide| 43% recycled polyester | 12% elastane

or chasing a PB out on the trails

helping you stay cool

Xero Z-Trek - Mens Running Accessories Mmamut's Aenergy Light styles solveThe comfort of a sport sandal upper, the lightweight, barely there feel of a packable travel sandal. This combo lets the Z Trek do it all. The Z Trek is an upgrade to the popular original, now with smooth, tubular nylon straps made from rPET recycled materials. The fully adjustable strap system lets you fine tune your fit, giving you the security you love in Xero Shoes.