Even if you visit Alaska during summers, packing the right clothes is important.
– It is never enough to emphasize layers – an innermost layer (thermal for people sensitive to cold), a lightweight middle layer to trap body heat, and an outer waterproof and windproof jacket (or down-filled parkas) and pants.
– Pack fleece caps, gloves, scarves, and sturdy boots (to walk on snow) too.
– You may buy clothing from a numerous sources on the web. Research your options.