eBay has the Under Armour Men's UA Stellar 8" Tactical Boots (Black) for $56 with free shipping. Available in select sizes from 8W to 12.5M.

Nike has the Nike Men's Renew Retaliation TR 2 Shoes (Black/Cool Grey/White or White/Photon Dust/Black) for $45 - 20% off with coupon FAST20 (Ends 6/22) = $36 with free shipping for NikePlus Members (free to join).

Nike has the Nike Women's Free RN 2018 Running Shoes (Wolf Grey/White/Volt/White or White/Black) for $65 with free shipping for NikePlus Members (free to join).

Nike has the Nike Men's Fly.By Mid 2 Shoes (White or Black/Wolf Grey/Light Dew/Black) for $52 with free shipping for NikePlus Members (free to join).

Amazon has the New Balance Men's NITREL v4 Trail Shoes (several colors) for $38 with free shipping. List price: $70. These breathable trail running shoes are built to withstand daily wear in the great outdoors.

Has excellent Amazon Reviews.