When warm nights threaten to turn your backcountry adventure into a sweaty, restless ordeal, the Sea to Summit Breeze Lightweight Rectangular Sleeping Bag Liner transforms your sleep system into a cool, comfortable refuge. This innovative cooling liner combines COOLMAX® EcoMade and Tencel Lyocell fibers to actively wick moisture and regulate temperature, keeping you fresh and dry even when the mercury refuses to drop. The super-stretchy knitted fabric fits any sleeping bag shape while giving you complete freedom of movement – perfect for restless sleepers who refuse to be confined by traditional mummy-style restrictions. Whether you're cycle touring through summer heat waves, paddle touring in humid conditions, or simply want to extend your sleeping bag's lifespan by reducing wash frequency, this rectangular liner with its drawcord footbox and climate control openings adapts to your needs. At just 265-330g depending on size, it's the lightweight solution that proves you don't have to choose between comfort and packability on your next warm weather expedition. Features COOLMAX® EcoMade and Tencel Lyocell moisture-wicking fabric blend for active temperature regulation Super-stretchy knitted construction fits any sleeping bag shape with unrestricted movement HeiQ Fresh odor control technology maintains freshness during extended use Drawcord footbox and climate control openings for customizable ventilation Pillow sleeve design provides hotel-like comfort in outdoor settings Machine washable with quick-dry properties for easy maintenance Versatile design works inside sleeping bags or as standalone sleep system Certified recycled and bluesign APPROVED sustainable materials Specification Value Fit Rectangular Dimensions (Short) 74.8 × 31.5 in | 190 × 80 cm Dimensions (Regular) 80.7 × 31.5 in | 205 × 80 cm Dimensions (Long) 85.0 × 31.5 in | 216 × 80 cm Dimensions (Traveller with Pillow Sleeve) 88.6 × 31.5 in | 225 × 80 cm Weight (Short) 265g (9.3 oz) Weight (Regular) 290g (10.2 oz) Weight (Long) 305g (10.8 oz) Weight (Traveller) 330g (11.6 oz) Packed Size (Short) 3.9 × 7.1 × 3.9 in | 10 × 18 × 10 cm Packed Size (Regular) 4.1 × 7.1 × 4.1 in | 10.5 × 18 × 10.5 cm Packed Size (Long) 4.3 × 7.1 × 4.3 in | 11 × 18 × 11 cm Packed Size (Traveller) 4.3 × 7.1 × 4.3 in | 11 × 18 × 11 cm Materials 70% Polyester, 30% Tencel Lyocell with COOLMAX® EcoMade technology | HeiQ Fresh odor control treatment | Certified recycled and bluesign APPROVED materials
