Central Compartment Store the Big Stuff. The Trekker Line includes a deep top loading central compartment for carrying ski pants, tops, base layers, helmet, gear and your Apres wear. BTPTTT More Stories Open Pack Design™ Optimal storage, easy access. Kulkea’s Speed Line is designed around a jumbo wide-mouthed main pocket… Travel Straps™ Prepare your bag for air travel. Boot Trekker, Thermal Trekker, SP RXL and SP PRO… Lip Balm Pouch Mind the Chap! Conveniently located Shoulder strap pouch for easy balm access.