Right now www.sitstay.com is having a clearance on many dog supplies...
Notably to this forum the Ruffwear Approach Pack is on clearance for 39.98 (MSRP 99.94) and the Ruffwear Palisades Pack is 74.98 (MSRP 187.44).
Also a wide variety of nutritional supplements and other collars, harnesses, and leads at deep discounts thru Sunday.
*I have not compared prices elsewhere and do not have affiliation with sitstay*
Happy hiking with your four-legged friends!