Baby。Features: Amphibious Ecotread construction Nonslip Nonmarking Black Z1 hi-density supportive footbed Warm neutral Intersect Brun straps Fully adjustable US W5-6B-E K/Jr4-6 M3-4.5 FIT INFO based on actual sandal dims-Chaco chart is ~off: US women 5-6, men/boys 3-4.5, kids/jrs 4-6 EU 35.5-37 UK 3-4.25 Footbed lengths 8-9.25 in, 22-23.25 cm (Japan) B-E foot width/instep/arch length on Brannock Chaco is a high performance durable sandal for the heavy-footed & fully-loaded hiker. It’s a heavy-duty stomper w support for serious portaging thru mixed terrain-wet/dry trails rocks scree beaches rivers. If you’re new to Chaco, this is not your usual squishy, lo-density city sandal like Teva, Keen, Merrell. I’m proud that my sturdy Chacos are 20+ yrs old & still in great shape! Chaco is known for durability, fit adjustability support, cleanability, repairability (straps & soles), sustainability, outdoor ruggedness & being made in the USA Chaco Z1’s adjustable straps center on a cradled footbed that fits a wide range of foot widths profiles arches ankles pronations cants. It can be worn w/ or w/o socks! These sandals stay put even when portaging rafts across wet rock, traversing rapids, or surf zones! Profile is meant for hiking dirt/sandy/pebbly terrain, kayaking, river crossings, climbing approaches, rock scrambling, even just basic hikes w heavy packs Wear your Chacos everywhere!