Compare sewn, zippered, and hybrid footboxes, then match fit, insulation, and pad setup to your sleep style to prevent cold spots, drafts, and clammy toes.
Master a year-round sleep system: translate temperature ratings to real nights, match pad R-value and shelter, and see which bags truly span the seasons.
Learn how shell fabrics, RET/MVTR, and fit shape moisture control in sleeping bags, with metrics and tests to prevent clamminess and sleep dry in humid camps.
Preserve sleeping bag loft and warmth off-season: air 72 hours, avoid compression and plastic, use breathable cotton sacks, and do quick quarterly inspections.