Fit & Design: Regular fit bibs Offers breathability and quick-drying comfort for medium-intensity activities Zip vents enhance breathability during more intense activity GORE-TEX seam tape provides durable seam protection Mesh-lined, no-snag inner thigh vents Elasticized center back panel Zippered drop-seat construction Microfleece-lined hand-warmer pockets Back pockets with hook-and-loop closure Zippered chest pocket to store small items Technology: GORE-TEX two-layer fabric is windproof, waterproof, breathable and durable YKK(R) water-resistant zippers for smoother performance, better drape, a cleaner finish, increased strength, and superior protection from the elements Living Lining(R) provides consistent temperature regulation without adding bulk or weight Additional Details: Bluesign(R) approved materials use only safe chemicals and reduce impact on both humans and the planet during manufacturing