HI-TEC BACKPACK CAPACITY: 25 L DIMENSIONS: 48 x 28.5 x 19.5 cm WEIGHT: 0.65 kg MATERIAL COMPOSITION: MATERIAL: 95% POLYESTER, 5% ELASTANE LINING: 100% POLYESTER SPECIFICATION: - CARRYING SYSTEM - CONFIGURED BACK - RAINCOAT - REFLECTIVE ELEMENTS - WATERPROOF ZIPPERS; HI-TEC BACKPACK CAPACITY: 32 L DIMENSIONS: 54.5 x 31.5 x 17 cm WEIGHT: 1 kg MATERIAL COMPOSITION: MATERIAL: 95% POLYESTER, 5% ELASTANE LINING: 100% POLYESTER SPECIFICATION: - CARRYING SYSTEM - CONFIGURED BACK - RAIN COVER - REFLECTIVE ELEMENTS - WATERPROOF ZIPPERS - POSSIBILITY OF ATTACHING TREKKING POLES