I found these in my closet! They were too small for me. I never wore them outside, so they are in New condition. I think these are the 3 or 3.5 version. From Altra: The Altra Lone Peak 3.5 Mid Mesh Trail Running Shoe is a new addition to the Altra trail running family. With a new mesh upper, this shoe is perfect for hiking and fastpacking in warmer weather. New features include Altra's Four-Point GaiterTrap technology, designed to keep gaiters more securely fastened as they fight to keep debris out and a durable new mesh upper. The sandwiched StoneGuard and DuraTread outsole complete this awesome hiker.image Features of Altra Arrows Lone Peak 3.5 Mid Mesh Trail Running Shoe - Men's: Reinforced mesh upper Zero-Drop places your heel & forefoot the same distance from the ground to encourage proper, low impact form Four-point GaiterTrap technology allows for strapless gaiter attachment to prevent debris from building up beneath the shoe StoneGuard technology offers flexible protection from rugged terrain by deflecting rocks into the midsole for a smooth, stable ride DuraTread outsole provides exceptional grip, traction, and durability in any terrain