PURPOSE BUILT FOR RUCKING Our Rucker® is the gym on your back that revolutionized the fitness category of rucking (carrying weight on your back). These bags are purpose built for rucking with an elevated pocket designed for Ruck Plates, reinforced construction, extra padded straps and multiple handles to make it a versatile training tool. The Rucker® is the only rucksack you need to get stronger one rep and one mile at a time. Features Universal Features Lumbar padding supports the natural curve of your back Hi-vis reflective stripe across the front for safety Frame Sheet supports the integrity of the pack as you weigh it down and allows you to carry a heavier load more comfortably Interior d-ring and hydration tube exit port under the top handle of the ruck YKK zippers with silent, glove friendly zipper pulls constructed from parachute 550 cord Opens flat so it's easy to pack and organize. Special Forces medical rucks share a similar design. Ruck Plate® compatible 2 interior Velcro mesh pockets Highly water resistant aka rainproof Bottom grommet drain holes Shoulder straps are extra padded to carry heavier loads more comfortably Includes adjustable and removable Training Sternum Strap 2"x3" hook and loop on the front panel to customize with the patch of your choice Additional 2"x3" hook and loop patch panel on the Ruck Plate® pocket External side MOLLE let you customize your ruck 15L Features 2 padded handles: top & bottom 2 rows of external MOLLE webbing on the front and side let you customize your ruck, like attaching a Padded Hip Belt (included with Hot Pink 15L) One interior “Standard” size ruck plate pocket Strap Width: 3" 20L + 25L Features 4 padded handles: top, bottom, and both sides 3 rows of external MOLLE webbing on the front and side let you customize your ruck, like attaching a Padded Hip Belt (sold separately on 20L and 25L) 2 interior Ruck Plate Pockets, one “Standard” size, one “Long” size Strap Width: 3.5" Specs + Materials  Primary Material - 1000D CORDURA®. Back Panel & Shoulder Strap Underside Material: 210D HT (High Tenacity) CORDURA® Lumbar Support: 10MM EVA Foam Padding 15L Dimensions: 11"W x 16.5"H x 3.25"D 20L Dimensions: 11.5"W x 18"H x 5.5"D 25L Dimensions: 12"W x 20"H x 6.75"D 15L Shoulder Straps: 15.9"L 20L Shoulder Straps: 15.9"L 25L Shoulder Straps: 16.5"L 15L Internal Mesh Pocket: 8.5"H x 11"W 20L Internal Mesh Pocket: 11"W x 10"H 25L Internal Mesh Pocket: 12"W x 13"H 15L Internal CORDURA® Pocket: 6"H x 11"W 20L Internal CORDURA® Pocket: 11"W x 6.5"H 25L Internal CORDURA® Pocket: 11"W x 6.5"H 20L & 25L Main Ruck Plate® Pocket Dimensions: 9.75" x 15.5" 20L & 25L 2nd Ruck Plate® Pocket Dimensions: 9.5"W x 11.75"H 20L & 15L Ruck Plate® Pocket Dimensions: 9.5"W x 11.75"H Sternum Strap: 17" - 7.5"L x 1"W Reflective Stripe: 300 cd/lux m² Ruck Plates in the Rucker 10LB Plate (Standard) 20LB Plate (Standard) 30LB Plate (Standard) 30LB Plate (Long) 45LB Plate (Long)  Rucker 15L Short Pocket ✅ ✅ ✅ X X Rucker 20L/25L   Short Pocket ✅ ✅ ✅ X X Long Pocket ✅ ✅ ✅ ✅ (best fit) ✅ (best fit)