A versatile midlayer engineered with VENTRIX™ stretch insulation for breathable warmth during high-output missions. The Summit Casaval Hybrid Jacket balances temperature regulation and mobility in a clean, technical package that’s perfect under a shell or as a stand-alone piece.

Why we like it:

We like its balance of warmth, breathability, and range of motion — a go-to layer for demanding climbs.

Features and Functions:

60 g VENTRIX™ stretch insulation, hybrid softshell construction, water-resistant finish, and pack-friendly profile.

Fit and Sizing:

Regular fit; designed to layer comfortably under shells.

Bottom Line:

A trusted alpine layer for versatile warmth without restriction.