Tops: 

Cool Long sleeved quick dry shirt
3-4  T-Shirts
"Stuffable" down or synthetic fill jacket
Midweight long underwear 2 sets
Fleece pullover or jacket

Bottoms: 

  2-Quick dry, loose fitting long pants 

Midweight long underwear 2 sets
Synthetic quick-dry underwear ,

Socks: 

Wool or Synthetic warm socks 3-4 pair

Handwear: 

Warm Gloves (Fleece or Pile)

Headwear: 

Knit Stocking cap

Rain Gear:  

Good rain jacket and pants. Waterproof breathable fabric is best. They will be useful for warmth even if we don’t have rain as it will protect from wind as well.

Foot Gear:  

Shoes for hiking, preferably Gore-Tex® light to mid weight.
A second pair of shoes for back up

Accessories: 

Toilet kit
Sunglasses
Sunblock
Chamios type quick dry towel
Headlamp
Water bottle

Equipment: 

Daypack for personal items.
Sleeping Pad- Thermarest
Sleeping Bag (rated to zero)
Prefer duffle bag for items to load on horses-dry bags would be better to keep everything dry.