June-September:
One quart plastic water bottle (full)
Lunch, snacks
Sunscreen and lip protection
Sunglasses with strap
Hat for rain and sun
Non-cotton shirts (2) for layering (wool, pile, polypro, other synthetic)
Non-cotton pants (nylon, wool, spandex, fleece)
Eyeglass strap
Sandals with heel strap or neoprene booties, or any shoes that can get wet
Swimsuit (optional, but makes a quick-drying under-layer)
Towel
Change of clothes for the trip home
Gloves for blister protection (optional)
Drybag*
Camera, film, binoculars

The Other Months:
Drysuit if you have one*
More and warmer non-cotton layers
Shatterproof thermos with hot drink
Warm paddling gloves or pogies*
Paddling jacket or rain jacket*
Wetsuit if you have one*
Wool or fleece socks

* CRK has these items available and are included in the price of your class or tour.