Katana Lace Size:39.5 Birkenstock's best-selling sandal in an

Birkenstock's best-selling sandal in an ultra-lightweight style

Front gusset for fit and comfort

0–11 bar) with a protective gauge boot

The Li-ion battery makes for quick and easy recharging on the go or at home with integrated Micro-USB charge port

Katana Lace Size:39.5 Birkenstock's best-selling sandal in anThe Katana Lace, despite its downturn shape, is a comfortable all day climbing workhorse that performs well on slabs and can easily twist into thin cracks but excels outside on steep single or multi pitch routes. The slightly downturned toe and subtle asymmetry ensures you can hook into pockets or exploit the tiniest edges while providing unrivaled comfort for the level that it performs at. P3 Randing system that starts under the toes and wraps around