The Arcteryx Tiya jacket is fully insulated, waterproof, and breathable. The shell is a strong, hardwearing N70p 3L GORE-TEX fabric with tricot technology. It delivers breathable weather protection, but is soft, comfortable and quiet. Highly efficient Coreloft™ synthetic insulation is light, warm, durable and retains heat with minimal bulk. The insulated DropHood™ is ski helmet compatible, delivers exceptional coverage without sacrificing peripheral vision, and has an integrated insulated stand-up collar that blocks out drafts and holds in warmth.