Smith Embark Sunglasses insulation the S/Lab Trek features a

the S/Lab Trek features a fully heat moldable liner and heel retention strap to keep your foot planted and comfortable

What sets it apart from its predecessors

The F1 LT saves over 250 g per boot and walks with 10 more degrees of motion

and also comes in a completely waterproof bag so you can keep your gear dry and ready to use

The Memory Fit plastic accepts heat molding and moderate punching

Smith Embark Sunglasses insulation the S/Lab Trek features aFeatures: Available in your choice of ChromaPop Glacier Photochromic Copper Blue Mirror or ChromaPop Polarized lenses ChromaPop Glacier Photochromic lens tint adapts to match the light conditions with less sensitivity to temperature changes and full ChromaPop contrast and color enhancement throughout the tint range Anti fog and hydroleophobic coatings on the Glacier Photochromic lenses for clear optics and easy cleaning ChromaPop Polarized lenses cut