Designed for the most extreme adventure explorers, the Boulder 3L Gore-Tex Pants feature a new comfort fit with a pre-curved pattern derived from motocross, a 3L laminated Gore-Tex construction for perfect waterproofing & breathability, & direct ventilation ports for climate control. The Boulder Pants are the pinnacle of Alpinestars hard-adventure pants. Constructed from premium durable materials including a 3L Gore-Tex main shell, with a 3L reinforced Gore-Tex shell in the seat, the pants also incorporate 2L Gore-Tex stretch material in the crotch, above the knees, & behind the knees. Reinforcing the knees further are Superfabric ceramic plate inserts for ultra-durability & abrasion resistance, while at the same time maintaining flex & breathability. In addition, the pants have leather & ballistic nylon reinforcements on the inner knee & lower inner leg. Other features include Level 2 knee armor as well as a magnetic buckle waist closure, plus waterproof, ergonomic cargo...